{"product_id":"catfish-uk-corydoras-aeneus-long-fin","title":"Catfish UK: Corydoras aeneus Long Fin","description":"\u003cp\u003eThe \u003cstrong\u003ex Corydoras aeneus Long Fin\u003c\/strong\u003e, also known as the \u003cstrong\u003eLong Fin Bronze Cory Catfish\u003c\/strong\u003e, is one of the easiest ways to add movement, character, and useful bottom-level activity to a peaceful aquarium. In the \u003cstrong\u003ecatfish UK\u003c\/strong\u003e hobby, \u003cem\u003eCorydoras aeneus\u003c\/em\u003e has long been valued as a reliable \u003cstrong\u003efreshwater catfish UK\u003c\/strong\u003e favourite because it stays manageable at around \u003cstrong\u003e7 cm\u003c\/strong\u003e, thrives in groups, and suits both newer keepers and experienced aquarists. This \u003cstrong\u003eCorydoras aeneus Long Fin Fish\u003c\/strong\u003e combines the hardiness of the classic Bronze Cory with elegant extended finnage, making it a \u003cstrong\u003estunning long fin bronze cory catfish\u003c\/strong\u003e for display tanks. Native to \u003cstrong\u003eSouth America\u003c\/strong\u003e, it is a \u003cstrong\u003epeaceful bottom dweller UK\u003c\/strong\u003e aquarists often choose for planted community aquariums, especially when they want a \u003cstrong\u003eschooling catfish for community tank\u003c\/strong\u003e setups that remain calm and active throughout the day.\u003c\/p\u003e\u003cp\u003eIf you are searching for \u003cstrong\u003ecorydoras UK\u003c\/strong\u003e stock that is practical as well as attractive, this variety stands out. It works well in a \u003cstrong\u003ecommunity fish UK\u003c\/strong\u003e aquarium, adapts to a sensible \u003cstrong\u003ecorydoras aeneus long fin tank setup\u003c\/strong\u003e, and is widely considered among the \u003cstrong\u003ebest corydoras species for aquarium\u003c\/strong\u003e keepers who want easy care with a more decorative look. See our detailed photos showing the flowing dorsal and tail fins, bronze-green body sheen, and compact body shape that make this \u003cstrong\u003etropical catfish UK\u003c\/strong\u003e option so popular. With the right group size, soft substrate, and stable water, the \u003cstrong\u003eCorydoras aeneus Long Fin\u003c\/strong\u003e becomes a lively, useful, and genuinely charming addition to almost any peaceful tropical setup.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003e🔹 Quick Facts\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eCorydoras aeneus\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy to moderate\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 60 litres (13+ gallons)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 22-26°C (72-79°F)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 6.0-7.5\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Up to 5 years\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Peaceful\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"species-profile\"\u003e\n  \u003ch3\u003eClassification\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrder:\u003c\/strong\u003e Siluriformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Callichthyidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e Corydoras\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eCorydoras aeneus\u003c\/em\u003e is one of the classic armoured catfish kept in aquariums worldwide. The long-fin form is a selectively developed aquarium strain of the Bronze Cory, prized for its extended finnage and graceful movement. Within the hobby, it sits alongside other popular Corydoras such as \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras sterbai Albino\u003c\/a\u003e, \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras venezuelanus\u003c\/a\u003e, and \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras paleatus Albino Long Fin\u003c\/a\u003e as a dependable choice for peaceful community aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Corydoras aeneus Long Fin Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003eThe wild form of \u003cstrong\u003eCorydoras aeneus\u003c\/strong\u003e comes from a broad \u003cstrong\u003eCorydoras aeneus habitat\u003c\/strong\u003e across northern and central parts of South America, including slow-moving streams, floodplain margins, shallow tributaries, and seasonally inundated areas. In nature, these fish are found over fine sand, silt, leaf litter, and submerged roots where they sift constantly for tiny invertebrates, organic matter, and edible scraps. That natural feeding style is why \u003cstrong\u003eCorydoras aeneus for sandy substrate\u003c\/strong\u003e is such an important consideration in captivity.\u003c\/p\u003e\u003cp\u003eThe long-fin form is not a separate wild species but an ornamental strain bred for the aquarium trade. Even so, the best care still comes from understanding the original environment. Wild Bronze Corys often experience warm but not extreme tropical conditions, making the ideal \u003cstrong\u003ecorydoras aeneus long fin temperature\u003c\/strong\u003e steady rather than hot. Their preferred \u003cstrong\u003ecorydoras aeneus pH range\u003c\/strong\u003e and \u003cstrong\u003eCorydoras aeneus water hardness\u003c\/strong\u003e are also fairly forgiving, which explains why they are often recommended as a first \u003cstrong\u003ebottom dweller UK\u003c\/strong\u003e keepers can succeed with.\u003c\/p\u003e\u003cp\u003eIn these habitats, they live socially in loose groups and show classic \u003cstrong\u003eCorydoras aeneus behaviour\u003c\/strong\u003e: active foraging, quick dashes to the surface for air, and close contact with their own kind. That social instinct is why a single fish rarely looks settled, while a group of six or more behaves naturally and confidently. For many aquarists searching \u003cstrong\u003euk catfish\u003c\/strong\u003e options, this species offers a great balance of hardiness, charm, and visible group behaviour.\u003c\/p\u003e\u003cp\u003eBecause they come from calm margins rather than torrents, they appreciate moderate filtration and gentle flow. Their native waters are often shaded by vegetation, so \u003cstrong\u003eCorydoras aeneus for planted aquarium\u003c\/strong\u003e setups make excellent sense. Dense planting, driftwood, and open sandy areas recreate the contrast between shelter and feeding ground that they use in the wild. If you are looking at \u003cstrong\u003eCorydoras aeneus buy online UK\u003c\/strong\u003e or \u003cstrong\u003eCorydoras aeneus for sale UK\u003c\/strong\u003e listings, choosing a seller that understands this habitat background makes a real difference to long-term success.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the natural habitat of Bronze Corys improves confidence, feeding response, and fin condition. A dimmer lower level, fine sand, and scattered cover often bring out much better daytime activity than a bright, bare-bottom aquarium.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Corydoras aeneus Long Fin\u003c\/h2\u003e\n\u003cp\u003eA good \u003cstrong\u003ecorydoras aeneus long fin care guide\u003c\/strong\u003e always starts with the floor of the aquarium, not the top. These fish live at the bottom and spend much of the day searching through the substrate with sensitive barbels. That means the right \u003cstrong\u003ecorydoras aeneus long fin tank setup\u003c\/strong\u003e should prioritise floor space, soft substrate, stable water, and peaceful tank mates over tall décor or excessive current.\u003c\/p\u003e\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eThe minimum practical \u003cstrong\u003eCorydoras aeneus tank size\u003c\/strong\u003e is \u003cstrong\u003e60 litres\u003c\/strong\u003e for a small group, but a larger footprint is always better. Because this is a shoaling species, one pair is not enough for natural behaviour. Aim for at least six fish, with eight or more preferred if space allows. In a 60-90 litre aquarium, a group can settle well alongside small midwater fish. In larger tanks, they become even more active and visible. Their adult \u003cstrong\u003eCorydoras aeneus size\u003c\/strong\u003e of around 7 cm means they are not tiny nano fish, so avoid underestimating their space needs.\u003c\/p\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003ecorydoras aeneus long fin water parameters\u003c\/strong\u003e are straightforward: temperature \u003cstrong\u003e22-26°C\u003c\/strong\u003e, pH \u003cstrong\u003e6.0-7.5\u003c\/strong\u003e, and hardness \u003cstrong\u003e2-15 dGH\u003c\/strong\u003e. This \u003cstrong\u003ecorydoras aeneus long fin temperature range\u003c\/strong\u003e suits most tropical community aquariums and avoids the stress associated with prolonged overheating. Keep the \u003cstrong\u003eCorydoras aeneus water hardness\u003c\/strong\u003e moderate and stable rather than chasing exact numbers. Sudden swings are far more harmful than being slightly outside the middle of the range. For most homes, a reliable heater and regular weekly maintenance are enough to keep this \u003cstrong\u003ecatfish UK\u003c\/strong\u003e favourite thriving.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e22-26°C\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eTemperature\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e6.0-7.5\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003epH\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e2-15 dGH\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eHardness\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e60L+\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eMinimum Tank\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFiltration\u003c\/h3\u003e\n\u003cp\u003eUse efficient but not overpowering filtration. Sponge filters, internal filters with spray bars, or well-adjusted external filters all work well. Corydoras appreciate oxygen-rich water, but they do not enjoy being blasted across the substrate. If you run stronger filtration, break up the current with wood, plants, or outlet positioning. Fine mechanical filtration helps keep the substrate cleaner, which matters for barbels and overall health.\u003c\/p\u003e\n\u003ch3\u003eSubstrate\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCorydoras aeneus sand substrate requirement\u003c\/strong\u003e is one of the most important points in long-term care. The best option is smooth, fine sand. A proper \u003cstrong\u003eCorydoras aeneus sand substrate\u003c\/strong\u003e lets them sift naturally without wearing down barbels or damaging the underside of the body. Sharp gravel can lead to stress, reduced feeding, and infections. If you want to keep \u003cstrong\u003eCorydoras aeneus for sandy substrate\u003c\/strong\u003e the way they are meant to be kept, provide at least a few open feeding zones even in heavily planted tanks.\u003c\/p\u003e\n\u003ch3\u003ePlants \u0026amp; Decor\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCorydoras aeneus for planted aquarium\u003c\/strong\u003e setups are excellent because plants soften light, improve water quality, and create secure resting areas. Use easy species such as Anubias, Java fern, Cryptocoryne, and floating plants. Leave open bottom areas at the front for feeding and group movement. Smooth driftwood, rounded stones, and leaf litter accents work well. If you enjoy Corydoras variety tanks, species like \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras Aeneus “Peru Gold Strip”\u003c\/a\u003e, \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras duplicareus\u003c\/a\u003e, and \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras Mixed Selection\u003c\/a\u003e can inspire similar layouts.\u003c\/p\u003e\n\u003ch3\u003eLighting Requirements\u003c\/h3\u003e\n\u003cp\u003eModerate lighting is ideal. Bright light is acceptable if broken up by planting or floating cover. A daily photoperiod of 7-9 hours suits most community tanks. Long-fin strains often look best under natural-looking white light that highlights the bronze body sheen without making the fish feel exposed.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eChoose a 60 litre or larger aquarium with a good floor area\u003c\/li\u003e\n    \u003cli\u003eKeep a group of at least 6 fish\u003c\/li\u003e\n    \u003cli\u003eUse fine sand, not sharp gravel\u003c\/li\u003e\n    \u003cli\u003eMaintain 22-26°C and pH 6.0-7.5\u003c\/li\u003e\n    \u003cli\u003eAdd plants, wood, and shaded areas\u003c\/li\u003e\n    \u003cli\u003eProvide gentle to moderate filtration with good oxygenation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Pro Tip\u003c\/h4\u003e\n  \u003cp\u003eAlways cycle the aquarium for 4-6 weeks before adding Corydoras. They are hardy, but they are still sensitive to ammonia and nitrite spikes, especially in newly set up tanks.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Corydoras aeneus Long Fin Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eA common mistake in the \u003cstrong\u003ecatfish UK\u003c\/strong\u003e hobby is assuming Corydoras can live on leftovers. They cannot. The correct \u003cstrong\u003ecorydoras aeneus long fin diet\u003c\/strong\u003e is varied, deliberate, and based on sinking foods that reach the bottom before faster tank mates take everything. In nature they eat small worms, insect larvae, crustaceans, plant matter, and detritus. In captivity, they do best on a mixed omnivore plan.\u003c\/p\u003e\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eThe core of a good \u003cstrong\u003ecorydoras aeneus long fin feeding guide\u003c\/strong\u003e is a quality sinking pellet or sinking granule formulated for bottom feeders. Feed once or twice daily in portions the group can finish within a few minutes. Look for foods with fish meal, insect protein, spirulina, and stabilised vitamins. This supports growth, colour, and fin condition in the \u003cstrong\u003ePeaceful Long Fin Bronze Cory\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eSupplement the staple diet with frozen bloodworm, brine shrimp, daphnia, and finely chopped tubifex or blackworm from safe sources. These foods improve body condition and are especially useful when conditioning adults for \u003cstrong\u003eCorydoras aeneus breeding\u003c\/strong\u003e. Algae wafers can be offered occasionally, but they should not replace a balanced omnivore diet.\u003c\/p\u003e\n\u003ch3\u003eTreats \u0026amp; Special Foods\u003c\/h3\u003e\n\u003cp\u003eFor extra conditioning, offer protein-rich foods 2-3 times per week. This is particularly helpful if you are comparing \u003cstrong\u003ecorydoras aeneus long fin vs otocinclus\u003c\/strong\u003e, because unlike Otocinclus, Bronze Corys are not specialised algae grazers and need more substantial prepared feeding. If you keep them with very active top feeders, feed after lights dim slightly so the Corys get their share.\u003c\/p\u003e\n\u003ch3\u003eFeeding Frequency \u0026amp; Portion Control\u003c\/h3\u003e\n\u003cp\u003eMost established groups do well with two small feeds per day. Juveniles can take three lighter feeds. Avoid huge single meals. In mixed tanks, target feeding with a pipette or dropping food into several spots helps reduce competition. If you have ever searched unrelated phrases like \u003cstrong\u003ecatfish uk watch online\u003c\/strong\u003e, \u003cstrong\u003ecatfish uk full episode\u003c\/strong\u003e, \u003cstrong\u003ecatfish uk episodes\u003c\/strong\u003e, \u003cstrong\u003ecatfish uk episode 1\u003c\/strong\u003e, or \u003cstrong\u003ecatfish uk where to watch\u003c\/strong\u003e, note that aquarium catfish care is very different from TV search intent: these fish need real nutrition, not scavenger myths.\u003c\/p\u003e\n\u003ch3\u003eFoods to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid floating-only foods, oversized pellets, stale foods, and overuse of fatty live foods. Do not rely on scraps from other fish. Any medication-laced food should be used only when necessary and according to diagnosis. Keep uneaten food from collecting in dead spots, as this quickly damages water quality.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTime\u003c\/th\u003e\n\u003cth\u003eFood\u003c\/th\u003e\n\u003cth\u003eAmount\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMorning\u003c\/td\u003e\n\u003ctd\u003eSinking omnivore pellet\u003c\/td\u003e\n\u003ctd\u003eSmall portion, finished in 2-3 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eFrozen bloodworm or brine shrimp\u003c\/td\u003e\n\u003ctd\u003eLight supplemental feed for the group\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/catfish-uk\"\u003eSinking foods for Corydoras groups\u003c\/a\u003e\n  \u003cp\u003eChoose a quality bottom-feeder pellet as the daily staple so every fish in the shoal gets a balanced meal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/catfish-uk\"\u003eFrozen bloodworm and brine shrimp options\u003c\/a\u003e\n  \u003cp\u003eExcellent for conditioning adults, improving feeding response, and supporting spawning attempts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, dirty substrate, and bacterial problems around the barbels. Corydoras should look rounded but not bloated, and the sand should stay clean between maintenance sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eCorydoras aeneus Long Fin Appearance: Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLong Fin Bronze Cory\u003c\/strong\u003e has the familiar sturdy, armoured Corydoras body but with noticeably extended fins that give it a softer, more flowing look than the standard form. Adult \u003cstrong\u003eCorydoras aeneus size\u003c\/strong\u003e is usually around 6-7 cm, with females often appearing broader and slightly larger when mature. The body colour ranges from warm bronze to olive-brown with metallic green or copper highlights depending on light angle, mood, and substrate contrast.\u003c\/p\u003e\u003cp\u003eThe long-fin trait is most obvious in the dorsal, caudal, and paired fins, which trail more elegantly as the fish moves over the bottom. In a calm aquarium with dark sand and planting, this creates the look many aquarists want when they search \u003cstrong\u003ebuy long fin bronze cory UK\u003c\/strong\u003e or \u003cstrong\u003ebuy corydoras aeneus long fin UK\u003c\/strong\u003e. The fins should look full and even, not clamped or frayed. Our photos show the sheen and finnage best when the fish are settled, well fed, and kept in groups.\u003c\/p\u003e\u003cp\u003eSexing is possible in adults. Females are usually deeper-bodied and wider when viewed from above, while males are slimmer and sometimes slightly more streamlined. If you are comparing \u003cstrong\u003eCorydoras aeneus vs Corydoras sterbai\u003c\/strong\u003e, the Bronze Cory has a plainer metallic body rather than a spotted pattern, but the long-fin form adds extra visual appeal. For those browsing \u003cstrong\u003ebuy corydoras aeneus UK\u003c\/strong\u003e, \u003cstrong\u003ecorydoras aeneus long fin buy online UK\u003c\/strong\u003e, or \u003cstrong\u003ecorydoras aeneus long fin for sale UK\u003c\/strong\u003e, the key signs of quality are intact barbels, smooth belly, symmetrical fins, and active group behaviour.\u003c\/p\u003e\u003cp\u003eThis is also a strong choice for newcomers because \u003cstrong\u003ecorydoras aeneus long fin for beginners\u003c\/strong\u003e is a fair description when basic group and substrate needs are met. The fish is decorative without being fragile, which is why it remains a standout in the \u003cstrong\u003ecatfish UK\u003c\/strong\u003e category.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Corydoras aeneus Long Fin? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCorydoras aeneus tank mates\u003c\/strong\u003e should be chosen around one core fact: this is a gentle shoaling catfish that wants to forage in peace. A \u003cstrong\u003ecorydoras aeneus long fin for community tank\u003c\/strong\u003e setup works best with calm, similarly sized fish that do not bully the bottom level or outcompete them aggressively at feeding time. This makes them one of the \u003cstrong\u003ebest Corydoras species for community tank\u003c\/strong\u003e layouts and a classic \u003cstrong\u003eschooling catfish for community tank\u003c\/strong\u003e option.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eSmall tetras, rasboras, peaceful livebearers, dwarf cichlids with mild temperaments, and many shrimp or snails can all work. If you want to build a Cory-focused display, consider related species such as \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras venezuelanus\u003c\/a\u003e, \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras duplicareus\u003c\/a\u003e, \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras egues\u003c\/a\u003e, and \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras Aeneus “Peru Gold Strip”\u003c\/a\u003e as inspiration for similar water conditions. For a more unusual bottom companion in larger peaceful tanks, \u003ca href=\"\/products\/catfish-uk\"\u003eFarlowella acus\u003c\/a\u003e can also suit the same calm style of aquarium.\u003c\/p\u003e\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid aggressive bottom dwellers, large predatory fish, fin nippers, and territorial cichlids that claim the floor space. Fast, boisterous species can stress long-fin strains and damage delicate finnage. Very large plecs in small tanks can also outcompete them for food and resting areas. If you see search phrases like \u003cstrong\u003ecatfish in uk\u003c\/strong\u003e, \u003cstrong\u003ecatfish in the uk\u003c\/strong\u003e, or even unrelated entertainment terms such as \u003cstrong\u003ecatfish uk presenters\u003c\/strong\u003e, \u003cstrong\u003ecatfish uk online\u003c\/strong\u003e, \u003cstrong\u003ecatfish uk wikipedia\u003c\/strong\u003e, \u003cstrong\u003ecatfish uk wiki\u003c\/strong\u003e, and \u003cstrong\u003ecatfish tv show uk\u003c\/strong\u003e, remember that aquarium compatibility is about behaviour, not name overlap.\u003c\/p\u003e\n\u003ch3\u003eCommunity Tank Stocking Examples\u003c\/h3\u003e\n\u003cp\u003eIn a 60 litre tank, a sensible plan is 6 x Long Fin Bronze Corys with a small school of peaceful tetras. In a 90 litre tank, you can keep 8 Corys with rasboras and a pair of peaceful dwarf cichlids. In a 120 litre planted aquarium, a group of 10 can form the bottom-level anchor beneath a mixed midwater shoal. This is why many aquarists describe them as a \u003cstrong\u003epeaceful bottom dweller UK\u003c\/strong\u003e staple.\u003c\/p\u003e\n\u003ch3\u003eCompatibility with Invertebrates\u003c\/h3\u003e\n\u003cp\u003eAdult shrimp and snails are usually safe, though tiny shrimplets may occasionally be eaten if encountered. Corydoras are not specialised shrimp hunters, and in well-fed planted tanks they are generally excellent neighbours. Their calm nature makes the \u003cstrong\u003ePeaceful Long Fin Bronze Cory\u003c\/strong\u003e a good addition to mixed peaceful communities.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecies\u003c\/th\u003e\n\u003cth\u003eCompatible?\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras venezuelanus\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eSimilar temperament and water needs in peaceful community tanks\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/catfish-uk\"\u003eFarlowella acus\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003eWorks in calm mature tanks, but both species need gentle companions and stable water\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLarge aggressive cichlids\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eCan harass Corydoras and dominate the bottom zone\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Compatibility Tip\u003c\/h4\u003e\n  \u003cp\u003eAlways quarantine new arrivals for 2-4 weeks before adding them to a community aquarium. This protects Corydoras from parasites and bacterial infections that often spread quickly in bottom-dwelling groups.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Corydoras aeneus Long Fin: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCorydoras aeneus breeding\u003c\/strong\u003e is usually rated as moderate rather than difficult. Mature fish often spawn once settled, well fed, and kept in clean water, but raising eggs and fry successfully requires preparation. The long-fin form breeds much like the standard Bronze Cory.\u003c\/p\u003e\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eUse a separate 40-60 litre breeding tank with sponge filtration, fine sand or a bare bottom, broad-leaved plants, and stable clean water. Condition the adults with a rich \u003cstrong\u003ecorydoras aeneus long fin diet\u003c\/strong\u003e including frozen foods. Slightly cooler water changes often trigger spawning, mimicking rainfall. If you keep notes the way some people track unrelated searches like \u003cstrong\u003ecatfish uk series\u003c\/strong\u003e or \u003cstrong\u003ecatfish uk season 1\u003c\/strong\u003e, you will quickly notice patterns in conditioning and spawning response.\u003c\/p\u003e\n\u003ch3\u003eSpawning Behaviour\u003c\/h3\u003e\n\u003cp\u003eFemales become fuller with eggs, males become more active, and the group may show rapid chasing. Typical spawning includes the well-known Corydoras “T-position,” after which eggs are placed on glass, leaves, or filter equipment. A healthy group can lay dozens of eggs in a single event.\u003c\/p\u003e\n\u003ch3\u003eEgg Care \u0026amp; Hatching\u003c\/h3\u003e\n\u003cp\u003eRemove eggs or adults after spawning to prevent predation. Keep water very clean and gently aerated. Many breeders add almond leaf or a mild antifungal approach to reduce fungus on infertile eggs. At normal tropical temperatures, eggs usually hatch in around 3-5 days.\u003c\/p\u003e\n\u003ch3\u003eFry Care \u0026amp; Growth\u003c\/h3\u003e\n\u003cp\u003eOnce yolk sacs are absorbed, feed microworms, powdered fry food, and newly hatched brine shrimp. Frequent small water changes are essential. Fry grow steadily if kept clean and fed often. Fine sand helps them forage naturally as they develop.\u003c\/p\u003e\n\u003ch3\u003eCommon Breeding Challenges\u003c\/h3\u003e\n\u003cp\u003eThe main problems are infertile eggs, fungus, poor fry survival from dirty water, and underfeeding. Long-fin juveniles can also be slower to look fully developed than standard-fin fish, so patience matters. Ignore unrelated search terms such as \u003cstrong\u003ecatfish bait uk\u003c\/strong\u003e, \u003cstrong\u003euk catfish bait\u003c\/strong\u003e, \u003cstrong\u003ecatfish baits uk\u003c\/strong\u003e, \u003cstrong\u003ewels catfish uk\u003c\/strong\u003e, \u003cstrong\u003ebig catfish uk\u003c\/strong\u003e, \u003cstrong\u003ebiggest catfish uk\u003c\/strong\u003e, \u003cstrong\u003euk record catfish\u003c\/strong\u003e, \u003cstrong\u003euk catfish record\u003c\/strong\u003e, and \u003cstrong\u003ebiggest catfish in uk\u003c\/strong\u003e; these refer to angling, not aquarium breeding.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eFor better hatch rates, move eggs to a shallow rearing tray with gentle air-driven circulation and remove any opaque white eggs daily. This reduces fungal spread and makes it easier to monitor development.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eCorydoras aeneus Long Fin vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eComparing Corydoras helps you choose the right fish for your tank style, temperature, and visual preference. The Long Fin Bronze Cory is often selected by aquarists who want the forgiving nature of a Bronze Cory with extra elegance. It is especially appealing if you are deciding between classic community species.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCorydoras aeneus Long Fin\u003c\/th\u003e\n\u003cth\u003eCorydoras paleatus Albino Long Fin\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax Size\u003c\/td\u003e\n\u003ctd\u003e7 cm\u003c\/td\u003e\n\u003ctd\u003e6-7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eEasy to moderate\u003c\/td\u003e\n\u003ctd\u003eEasy to moderate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e22-26°C\u003c\/td\u003e\n\u003ctd\u003e20-25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003eVaries by pair\/group\u003c\/td\u003e\n\u003ctd\u003eVaries by strain\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eWarm peaceful planted community tanks\u003c\/td\u003e\n\u003ctd\u003eSlightly cooler community setups\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCorydoras aeneus Long Fin\u003c\/th\u003e\n\u003cth\u003eCorydoras sterbai\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePattern\u003c\/td\u003e\n\u003ctd\u003eBronze metallic body, flowing fins\u003c\/td\u003e\n\u003ctd\u003eSpotted body with striped head\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e22-26°C\u003c\/td\u003e\n\u003ctd\u003e24-28°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eBalanced all-round community use\u003c\/td\u003e\n\u003ctd\u003eWarmer tanks and stronger pattern contrast\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are weighing \u003cstrong\u003ecorydoras aeneus long fin vs Corydoras paleatus\u003c\/strong\u003e, choose the Long Fin Bronze Cory for slightly warmer tropical community aquariums and a classic metallic look. Choose Paleatus if your setup runs a little cooler. If you are comparing \u003cstrong\u003eCorydoras aeneus vs Corydoras sterbai\u003c\/strong\u003e, the aeneus long-fin form is usually the better all-rounder for mixed beginner-friendly tanks, while Sterbai is ideal if you want a more patterned fish for warmer conditions. You can also explore alternatives such as \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras paleatus Albino Long Fin\u003c\/a\u003e, \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras sterbai Albino\u003c\/a\u003e, and \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras Mixed Selection\u003c\/a\u003e if you enjoy comparing forms and colour types.\u003c\/p\u003e\u003cp\u003eFor most keepers seeking a durable, decorative, and social \u003cstrong\u003ecorydoras aeneus long fin for beginners\u003c\/strong\u003e option, this fish remains one of the safest choices in the \u003cstrong\u003ecatfish UK\u003c\/strong\u003e category.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Corydoras aeneus Long Fin \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eThe best indicator of health in this species is behaviour. Healthy fish forage actively, rest calmly in groups, keep their barbels intact, and show smooth breathing with occasional normal trips to the surface. The expected \u003cstrong\u003ecorydoras aeneus long fin lifespan\u003c\/strong\u003e is around 5 years, sometimes longer with excellent care.\u003c\/p\u003e\n\u003ch3\u003eSigns of a Healthy Fish\u003c\/h3\u003e\n\u003cp\u003eLook for clear eyes, full fins, a rounded but not swollen body, and good social behaviour. A settled group should move together, feed eagerly, and spend time exploring open sand. Long fins should be even and undamaged.\u003c\/p\u003e\n\u003ch3\u003eCommon Diseases \u0026amp; Symptoms\u003c\/h3\u003e\n\u003cp\u003eCommon issues include barbel erosion from dirty or rough substrate, bacterial fin damage, stress from poor water quality, and external parasites introduced by new fish. Corydoras can also be sensitive to abrupt medication use. If you are browsing \u003cstrong\u003ecorydoras aeneus long fin for sale online UK\u003c\/strong\u003e or comparing \u003cstrong\u003ecorydoras aeneus long fin price UK\u003c\/strong\u003e and \u003cstrong\u003elong fin bronze cory price UK\u003c\/strong\u003e, remember that healthy stock is worth more than the cheapest listing.\u003c\/p\u003e\n\u003ch3\u003eTreatment Options\u003c\/h3\u003e\n\u003cp\u003eFirst improve water quality with partial water changes, substrate cleaning, and parameter checks. Move affected fish to quarantine if needed. Use medications carefully and according to diagnosis. Corydoras can be sensitive to overdosing, especially with harsh treatments. Always research whether a product is safe for catfish and invertebrates.\u003c\/p\u003e\n\u003ch3\u003ePrevention Tips\u003c\/h3\u003e\n\u003cp\u003eUse fine sand, avoid overcrowding, feed a varied diet, and maintain weekly water changes. Quarantine new arrivals for at least 2 weeks, ideally 4. Stable temperature matters too; avoid swings outside the recommended \u003cstrong\u003ecorydoras aeneus long fin temperature range\u003c\/strong\u003e. Many problems blamed on species sensitivity are really caused by immature tanks or rough gravel.\u003c\/p\u003e\n\u003ch3\u003eQuarantine Procedures\u003c\/h3\u003e\n\u003cp\u003eA simple bare-bottom or sand-bottom quarantine tank with sponge filter, heater, and hiding places is enough. Observe feeding, respiration, and waste. This is especially important before adding fish to a display with shrimp or valuable Cory groups.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Medication Warning\u003c\/h4\u003e\n  \u003cp\u003eNEVER use copper-based medications in mixed tanks with shrimp or other sensitive invertebrates. Copper can be lethal, and overdosing any medication is especially risky with Corydoras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuarantine Protocol\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep new fish in a separate tank for 2-4 weeks\u003c\/li\u003e\n    \u003cli\u003eObserve feeding response and breathing daily\u003c\/li\u003e\n    \u003cli\u003eTest ammonia and nitrite regularly\u003c\/li\u003e\n    \u003cli\u003eUse only proven catfish-safe treatments if needed\u003c\/li\u003e\n    \u003cli\u003eTransfer to the main tank only when active and symptom-free\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eUnderstanding Corydoras aeneus Long Fin Behavior in the Aquarium\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCorydoras aeneus behaviour\u003c\/strong\u003e is one of the main reasons people fall in love with them. They are social, curious, and often active in daylight, especially once settled. In a proper group they move together across the substrate, investigate every corner, and occasionally dash to the surface for a gulp of air, which is normal for Corydoras.\u003c\/p\u003e\u003cp\u003eThis is not a solitary fish. A group of six is the minimum, and larger groups usually look far more confident. Kept alone or in pairs, they can become shy and less active. In contrast, a settled shoal in a planted tank shows exactly why this species is valued as a \u003cstrong\u003eschooling catfish for community tank\u003c\/strong\u003e displays. Their peaceful nature also makes them a dependable \u003cstrong\u003ecorydoras aeneus long fin for community tank\u003c\/strong\u003e choice.\u003c\/p\u003e\u003cp\u003eTo encourage natural behaviour, provide open sand, shaded cover, and calm companions. A well-designed lower level will produce more visible foraging, social resting, and playful group movement. For aquarists wanting a \u003cstrong\u003epeaceful bottom dweller UK\u003c\/strong\u003e option with personality rather than just utility, this species is hard to beat.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen buying long-fin Corydoras, the details matter. Extended fins make condition and handling quality more obvious than on standard forms, so careful selection is essential. Our \u003cstrong\u003ex Corydoras aeneus Long Fin\u003c\/strong\u003e are chosen for active group behaviour, intact barbels, balanced body shape, and clean finnage rather than simply size alone. That matters whether you are searching \u003cstrong\u003ecorydoras UK\u003c\/strong\u003e, \u003cstrong\u003ebuy corydoras aeneus UK\u003c\/strong\u003e, \u003cstrong\u003ebuy corydoras aeneus long fin UK\u003c\/strong\u003e, or \u003cstrong\u003ecorydoras aeneus long fin for sale UK\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eBefore dispatch, fish are observed for feeding response, swimming behaviour, and general condition. They are acclimated to common UK aquarium conditions so they transition more smoothly into home setups. Orders are packed in insulated boxes with appropriate bagging, oxygen where needed, and heat packs in colder weather. Tracked delivery helps reduce transit time, and live fish are packed to minimise stress and protect delicate fins.\u003c\/p\u003e\u003cp\u003eWe also support customers after purchase with practical care guidance. If you are unsure about \u003cstrong\u003eCorydoras aeneus tank size\u003c\/strong\u003e, \u003cstrong\u003ecorydoras aeneus long fin water parameters\u003c\/strong\u003e, or suitable \u003cstrong\u003eCorydoras aeneus tank mates\u003c\/strong\u003e, the goal is to help you build the right setup from day one. For hobbyists comparing \u003cstrong\u003eCorydoras aeneus buy online UK\u003c\/strong\u003e options, that species-specific support is often the difference between fish that merely survive and fish that thrive. Order your \u003cstrong\u003eCorydoras aeneus Long Fin\u003c\/strong\u003e today with confidence and build a peaceful, active bottom-level shoal that will reward you for years.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Corydoras aeneus Long Fin\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSelected for intact barbels, strong feeding response, and well-formed long fins\u003c\/li\u003e\n    \u003cli\u003ePrepared for typical UK tropical community conditions before dispatch\u003c\/li\u003e\n    \u003cli\u003ePacked with insulation and seasonal heat protection to reduce transit stress\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eYou Might Also Like\u003c\/h2\u003e\n\u003cp\u003eIf you enjoy this elegant Bronze Cory form, you may also like \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras paleatus Albino Long Fin\u003c\/a\u003e for a lighter long-fin alternative, \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras sterbai Albino\u003c\/a\u003e for stronger patterning, or \u003ca href=\"\/products\/catfish-uk\"\u003eCorydoras venezuelanus\u003c\/a\u003e for another warm-water community favourite. For broader Cory collections, \u003ca href=\"\/products\/catfish-uk\"\u003ex Corydoras Mixed Selection\u003c\/a\u003e is a useful place to compare forms. If you want a more unusual peaceful bottom companion, consider \u003ca href=\"\/products\/catfish-uk\"\u003eFarlowella acus\u003c\/a\u003e. You can also browse the wider \u003ca href=\"\/products\/catfish-uk\"\u003ecatfish UK collection\u003c\/a\u003e to build a complete lower-level community around compatible species and suitable feeding options.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"2,5 - 3 cm","offer_id":57379653353807,"sku":"KG65","price":11.43,"currency_code":"GBP","in_stock":true},{"title":"3 - 3,5 cm","offer_id":57467491025231,"sku":"KG66","price":13.19,"currency_code":"GBP","in_stock":true},{"title":"3,5 - 5 cm","offer_id":57467491057999,"sku":"KG67","price":14.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/corydoras-aeneus-natural-aquarium-kg65.webp?v=1777849936","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/catfish-uk-corydoras-aeneus-long-fin","provider":"Tropical Fish Co","version":"1.0","type":"link"}