{"product_id":"tropical-fish-uk-for-sale-buy-live-online-polka-dot-splitfin","title":"Polka-Dot Splitfin (Xenotoca \/ Neotoca spp.) - UK","description":"\u003cp\u003eThe Polka-Dot Splitfin, \u003cem\u003eChapalichthys pardalis “Presa San Juanico”\u003c\/em\u003e, is one of the most unusual choices in the tropical fish UK hobby: a compact Mexican goodeid with a lively personality, bold spotted patterning, and true conservation value. Unlike many common livebearers, this species belongs to a rare group of splitfins that produce large, well-developed fry and thrive best in cooler, mineral-rich freshwater. For aquarists searching for rare tropical fish UK listings, unusual uk tropical fish, or a dependable aquarium goodeid UK option, this fish stands out for all the right reasons. Adults usually reach around 5-8 cm, live for roughly 3-5 years, and show a semi-aggressive but highly engaging temperament that rewards thoughtful stocking. See our detailed photos showing the body shape, polka-dot flank pattern, and the subtle differences in \u003cstrong\u003echapalichthys pardalis «presa san juanico» male vs female\u003c\/strong\u003e fish. If you want tropical fish uk for sale that are hardy, active, and genuinely different from the usual guppy or platy, \u003cstrong\u003eChapalichthys Pardalis “Presa San Juanico”\u003c\/strong\u003e is a smart choice for a species tank or carefully planned community. It is especially appealing to aquarists who buy live fish online uk, buy aquarium fish online uk, or want to buy tropical fish online uk with confidence and a clear care guide before ordering.\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\u003eChapalichthys pardalis “Presa San Juanico”\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 55 litres (12 gallons), 100 litres recommended\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 15-30°C (59-86°F), ideal around 22-24°C\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 6.0-8.0, ideal around 7.2-7.8\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 Semi-aggressive, active, social\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 Cyprinodontiformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Goodeidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e \u003cem\u003eChapalichthys\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eChapalichthys pardalis\u003c\/em\u003e is a Mexican splitfin from the family Goodeidae, a group prized by specialist keepers for their hardiness, unusual reproductive biology, and conservation importance. In the aquarium hobby, this species sits between common livebearers and more specialist endemic fish: easy enough for prepared keepers, but distinctive enough to interest collectors looking for freshwater goodeid UK stock and live goodeid UK availability.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Polka-Dot Splitfin Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis “Presa San Juanico” habitat\u003c\/strong\u003e is tied to central Mexico, where goodeids evolved in isolated lakes, reservoirs, canals, and slow-moving freshwater systems with seasonal variation. These waters are often clearer and harder than many beginner aquarists expect, with moderate mineral content, algae growth, submerged vegetation, and open swimming space. Understanding this natural background is the key to \u003cstrong\u003ehow to care for chapalichthys pardalis «presa san juanico»\u003c\/strong\u003e properly in captivity.\u003c\/p\u003e\n\u003cp\u003eIn the wild, these fish browse constantly. They pick at biofilm, filamentous algae, tiny crustaceans, insect larvae, and soft plant matter. That is why a good \u003cstrong\u003echapalichthys pardalis «presa san juanico» diet\u003c\/strong\u003e should never rely on one food alone. Their native waters can fluctuate, but they generally favour stable, oxygen-rich conditions rather than stagnant, dirty aquariums. The best \u003cstrong\u003echapalichthys pardalis «presa san juanico» ideal conditions\u003c\/strong\u003e in the home aquarium mimic this balance: hard to moderately hard water, regular maintenance, and room to move.\u003c\/p\u003e\n\u003cp\u003eMany goodeids are under pressure in nature due to habitat loss, pollution, invasive fish, and water extraction. That gives this species extra importance in the hobby. Keeping and breeding \u003cstrong\u003eChapalichthys Pardalis\u003c\/strong\u003e is not just about owning a striking fish; it can also support ex-situ conservation through responsible captive lines. For fishkeepers interested in rare tropical fish uk options, this is one of the few species where aquarium success has genuine conservation relevance.\u003c\/p\u003e\n\u003cp\u003eBecause the species comes from a subtropical region rather than a permanently hot rainforest stream, the usual “warmer is better” assumption does not apply. The correct \u003cstrong\u003echapalichthys pardalis «presa san juanico» temperature\u003c\/strong\u003e is often lower than for many common community fish. The same applies to \u003cstrong\u003echapalichthys pardalis «presa san juanico» water temperature\u003c\/strong\u003e, which should stay stable rather than swing sharply between day and night.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the natural habitat improves health and brings out natural behaviour. In our experience, Polka-Dot Splitfins show stronger colour, more confident midwater activity, and better breeding results when kept in hard, clean water with patches of plant cover, algae-grazing surfaces, and open swimming lanes.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Polka-Dot Splitfin\u003c\/h2\u003e\n\u003cp\u003eA well-planned \u003cstrong\u003echapalichthys pardalis «presa san juanico» tank setup\u003c\/strong\u003e is simple once you understand the species. These fish are active, social, and slightly assertive, so the aquarium should provide both line-of-sight breaks and open water. A thoughtful \u003cstrong\u003echapalichthys pardalis «presa san juanico» aquarium setup\u003c\/strong\u003e also reduces chasing and helps weaker fish avoid dominant individuals.\u003c\/p\u003e\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eThe practical \u003cstrong\u003echapalichthys pardalis «presa san juanico» minimum tank size\u003c\/strong\u003e is 55 litres for a very small group, but the better \u003cstrong\u003echapalichthys pardalis «presa san juanico» tank size\u003c\/strong\u003e is 90-100 litres or more. In a larger aquarium, aggression spreads out, water quality stays steadier, and natural social behaviour is easier to observe. If you are asking \u003cstrong\u003ehow many chapalichthys pardalis «presa san juanico» in a tank\u003c\/strong\u003e, start with 1 male to 3-4 females in a 55-70 litre setup, or a group of 6-10 in 100 litres with strong filtration and regular water changes.\u003c\/p\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cp\u003eThe recommended \u003cstrong\u003echapalichthys pardalis «presa san juanico» water parameters\u003c\/strong\u003e are a temperature of 20-24°C for routine care, pH 7.0-8.0, and moderate to hard water. The species tolerates a broader range, but the best \u003cstrong\u003echapalichthys pardalis «presa san juanico» pH level\u003c\/strong\u003e is slightly alkaline. For hardness, aim for 10-20 dGH; this fits the natural \u003cstrong\u003echapalichthys pardalis «presa san juanico» water hardness\u003c\/strong\u003e preference and supports long-term health, breeding, and fry development.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e20-24°C\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eIdeal Temperature\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e7.0-8.0\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003ePreferred pH\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e10-20 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\"\u003e55L+\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\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» filtration needs\u003c\/strong\u003e are moderate to high. These fish appreciate clean, oxygenated water, but they do not need a torrent. A quality internal or external filter that turns over the tank 5-8 times per hour works well. Add pre-filter sponge protection if fry are present. Stable filtration matters more than extreme flow.\u003c\/p\u003e\n\u003cp\u003eWhen planning equipment, pair the fish with a dependable heater if your room cools significantly, and use a mature filter rather than a newly started system. If you are building a community around this species, avoid overstocking with messy fish such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePiaractus Brachypomus - Red-Bellied Pacu -\u003c\/a\u003e or \u003ca href=\"\/products\/tropical-fish-uk\"\u003eRed-Bellied Pacu - Piaractus Brachypomus\u003c\/a\u003e, which are completely unsuitable due to size and waste output.\u003c\/p\u003e\n\u003ch3\u003eSubstrate\u003c\/h3\u003e\n\u003cp\u003eSand or smooth fine gravel suits the species best. Darker substrate often improves visual contrast and helps the spotted pattern stand out in product photos and home aquariums. It also encourages more confident behaviour than bright, reflective gravel. Rounded materials are safer if fish browse continuously along the bottom and lower decor.\u003c\/p\u003e\n\u003ch3\u003ePlants \u0026amp; Decor\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» in planted tank\u003c\/strong\u003e setups can work very well, especially when using hardy species such as Vallisneria, Java fern, Anubias, hornwort, or floating cover. Dense edges and open centres are ideal. Plants break up aggression, provide fry refuge, and support microfauna. Smooth stones, branch wood, and algae-friendly surfaces all add value. If you like active but contrasting community fish, a planted aquarium can also visually complement species such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003eGlass Bloodfin Tetras - Prionobrama\u003c\/a\u003e, though only in carefully matched conditions.\u003c\/p\u003e\n\u003ch3\u003eLighting Requirements\u003c\/h3\u003e\n\u003cp\u003eModerate lighting for 7-9 hours daily is enough. Strong lighting can be useful if you want algae and plant growth, but always provide shade from floating plants or tall stems. Excessively bright, bare tanks can make the fish skittish and increase chasing.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003e🔹 Quick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eCycle the aquarium fully before adding fish\u003c\/li\u003e\n    \u003cli\u003eUse 55 litres minimum, 100 litres preferred\u003c\/li\u003e\n    \u003cli\u003eKeep water hard to moderately hard\u003c\/li\u003e\n    \u003cli\u003eTarget 20-24°C for routine care\u003c\/li\u003e\n    \u003cli\u003eAdd plants, rockwork, and open swimming space\u003c\/li\u003e\n    \u003cli\u003eUse a mature filter with steady oxygenation\u003c\/li\u003e\n    \u003cli\u003eStock groups with more females than males\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 tank for 4-6 weeks before adding Polka-Dot Splitfins. Even hardy goodeids can suffer in immature aquariums, and unstable ammonia or nitrite is one of the fastest ways to lose new arrivals after tropical fish delivery uk or uk tropical fish delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Polka-Dot Splitfin Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe Polka-Dot Splitfin is an omnivore with a strong appetite for variety. A proper \u003cstrong\u003echapalichthys pardalis «presa san juanico» feeding guide\u003c\/strong\u003e should include both protein and plant matter. In nature, they graze algae, biofilm, tiny invertebrates, and soft organic material. In captivity, the best results come from rotating quality flakes, small granules, spirulina foods, frozen daphnia, cyclops, mosquito larvae, and occasional live foods.\u003c\/p\u003e\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eUse a high-quality omnivore flake or micro-pellet as the daily base. Foods with spirulina or vegetable content are especially useful. This is particularly important for keepers browsing tropical fish uk freshwater selections who assume all livebearers can live on generic flake alone. They can survive that way, but they do not thrive.\u003c\/p\u003e\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eAdd frozen foods 3-4 times weekly. Daphnia supports digestion, while brine shrimp and bloodworm can be used more sparingly for conditioning. Blanched spinach, shelled peas, and soft courgette slices can also be offered in small amounts. A varied \u003cstrong\u003echapalichthys pardalis «presa san juanico» diet\u003c\/strong\u003e helps maintain body condition and supports breeding.\u003c\/p\u003e\n\u003ch3\u003eTreats \u0026amp; Special Foods\u003c\/h3\u003e\n\u003cp\u003eBefore breeding, increase protein slightly with live or frozen foods. For display fish, colour and pattern often look sharper when the diet includes carotenoid-rich ingredients and algae-based foods. This matters if you are comparing the species with common online tropical fish uk choices such as guppies and endlers.\u003c\/p\u003e\n\u003ch3\u003eFeeding Frequency \u0026amp; Portion Control\u003c\/h3\u003e\n\u003cp\u003eFeed adults twice daily in portions they finish within 30-60 seconds. Juveniles can take 3 smaller meals. Overfeeding is one of the most common problems for people buying tropical fish online uk or ordering tropical fish for sale online uk for a new setup. These fish are eager feeders and will beg, but that does not mean they need extra food.\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\u003eOmnivore flake or small pellet with spirulina\u003c\/td\u003e\n\u003ctd\u003eOnly what is eaten in 30-60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eFrozen daphnia, brine shrimp, or vegetable-based food\u003c\/td\u003e\n\u003ctd\u003eSmall pinch or equivalent cube portion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor fishkeepers who buy tropical fish online uk, tropical fish uk buy online, or are buying tropical fish online uk for the first time, the simplest rule is this: variety beats quantity. Healthy fish should look full-bodied but not bloated.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, cloudy water, and digestive stress. Remove uneaten food promptly, especially in smaller tanks or after tropical fish delivered uk shipments when fish may be stressed and less willing to eat immediately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/tropical-fish-uk\"\u003eFRY X (Chapalichthys Pardalis - Polka-Dot\u003c\/a\u003e — Ideal if you are raising young splitfins and need appropriately sized companions or fry-focused planning around this species.\n\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/tropical-fish-uk\"\u003eAlbino Sky Blue Guppy\u003c\/a\u003e — A useful comparison species when considering feeding style, though guppies are generally softer-water and more delicate-finned than splitfins.\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eWhat Does the Polka-Dot Splitfin Look Like? Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003eThe Polka-Dot Splitfin has a compact, slightly deep-bodied shape typical of many goodeids. Adult \u003cstrong\u003echapalichthys pardalis «presa san juanico» size\u003c\/strong\u003e usually falls between 5 and 8 cm, with females often appearing fuller-bodied than males. The body is built for constant movement rather than elegant finnage, which is one reason the species avoids some of the fin-damage issues seen in fancier livebearers.\u003c\/p\u003e\n\u003cp\u003eThe defining feature is the spotted or mottled flank pattern that gives the fish its common name. Base colour can range from silvery beige to olive-brown, with darker dots, irregular patches, and subtle metallic highlights depending on mood, age, diet, and lighting. In a mature aquarium with dark substrate, the pattern often looks far richer than in a bare sales tank. Our photos show the contrast and body sheen that develop under stable conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» male vs female\u003c\/strong\u003e differences are visible once the fish mature. Males are usually slimmer, slightly more colourful, and more active in display behaviour. Females are deeper-bodied, especially when carrying fry. Because goodeids are splitfins rather than standard livebearers, the anal fin structure differs from guppies and mollies, so sexing becomes easier with practice.\u003c\/p\u003e\n\u003cp\u003eIf you are comparing this fish with common tropical fish for sale uk listings, remember that the appeal here is not exaggerated finnage or neon colour. It is pattern, movement, rarity, and character. For aquarists who appreciate uncommon freshwater fish, that makes it one of the best tropical fish uk choices in the specialist livebearer category.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Polka-Dot Splitfin? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» behaviour\u003c\/strong\u003e is active, social, and mildly pushy. This is not a fish for timid nano communities. It works best with robust species that can handle occasional chasing and similar water chemistry. If you are searching for the \u003cstrong\u003ebest goodeid for community tank\u003c\/strong\u003e setups, this species can qualify, but only when the community is chosen carefully.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eThe safest \u003cstrong\u003echapalichthys pardalis «presa san juanico» tank mates\u003c\/strong\u003e are other sturdy fish that enjoy neutral to alkaline water and do not have long trailing fins. Suitable options may include hardy livebearers, some smaller plecos, and select barbs in larger setups. Within our range, fishkeepers often compare them with \u003ca href=\"\/products\/tropical-fish-uk\"\u003eAlbino Sky Blue Guppy\u003c\/a\u003e and \u003ca href=\"\/products\/tropical-fish-uk\"\u003eRed Black Guppy\u003c\/a\u003e, but guppies are not always ideal because their fins can attract nipping. More robust midwater fish such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003eGlass Bloodfin Tetras - Prionobrama\u003c\/a\u003e may work only in spacious tanks with matched parameters and careful observation.\u003c\/p\u003e\n\u003cp\u003eIf you are asking about \u003cstrong\u003echapalichthys pardalis «presa san juanico» with other fish\u003c\/strong\u003e, think “tough, active, not delicate.” This species is a better match for specialist keepers than for someone building a mixed soft-water community. It is also a strong candidate when people want to buy goodeid UK stock for a species-focused aquarium.\u003c\/p\u003e\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid long-finned fish, very shy fish, and slow species that may be harassed at feeding time. Large predators such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePolypterus Endlicherii\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003eGold Giant Gourami\u003c\/a\u003e, and large pacu species are unsuitable. These are either predatory, too boisterous, or simply incompatible in size and setup. Likewise, tiny shrimp may be treated as food, and delicate invertebrates can struggle in the same active environment.\u003c\/p\u003e\n\u003ch3\u003eCommunity Tank Stocking Examples\u003c\/h3\u003e\n\u003cp\u003eIn a 100-litre aquarium, a sensible group is 2 males and 6 females of Polka-Dot Splitfin with one small hardy bottom species. In a 125-150 litre setup, you can expand the group and add a carefully chosen midwater companion. Group size matters: too few fish often means dominant individuals focus aggression on one target. This is why \u003cstrong\u003ehow many chapalichthys pardalis «presa san juanico» in a tank\u003c\/strong\u003e is such an important question.\u003c\/p\u003e\n\u003ch3\u003eCompatibility with Invertebrates\u003c\/h3\u003e\n\u003cp\u003eLarge snails are usually safer than shrimp. Small shrimp and shrimplets are at risk. If your goal is a peaceful shrimp community, choose another species. If your goal is a dynamic livebearer display, this fish is far more suitable.\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\/tropical-fish-uk\"\u003eGlass Bloodfin Tetras - Prionobrama\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003ePossible in larger tanks if water chemistry and temperament are monitored closely.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/tropical-fish-uk\"\u003eAlbino Sky Blue Guppy\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003eCan work short term, but long fins may attract nipping.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/tropical-fish-uk\"\u003ePolypterus Endlicherii\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003ePredatory and far too large for a splitfin community.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor aquarists searching \u003cstrong\u003echapalichthys pardalis «presa san juanico» compatible fish\u003c\/strong\u003e, \u003cstrong\u003echapalichthys pardalis «presa san juanico» tank mates\u003c\/strong\u003e, or \u003cstrong\u003ebest goodeid species comparison\u003c\/strong\u003e, the main rule is to match temperament first and appearance second. This species is not difficult, but it is honest: it behaves like a sturdy endemic livebearer, not a decorative guppy.\u003c\/p\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 an established splitfin tank. This is especially important after tropical fish for sale online, tropical fish delivery uk, or chapalichthys pardalis «presa san juanico» delivery UK orders, because mixing new fish too quickly can introduce parasites and trigger aggression.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Polka-Dot Splitfin: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» breeding\u003c\/strong\u003e is one of the species’ biggest attractions. Like other goodeids, these are true livebearers that nourish developing young through trophotaeniae, so fry are born relatively large and capable. For many keepers, this is the point where the fish shifts from interesting to unforgettable.\u003c\/p\u003e\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eA dedicated breeding group works best in 60-100 litres with hard, clean water and heavy plant cover. The ideal ratio is one male to several females. Keep temperature around 22-24°C, provide varied foods, and avoid stressful tank mates. This forms the basis of any reliable \u003cstrong\u003echapalichthys pardalis «presa san juanico» care guide\u003c\/strong\u003e for breeding.\u003c\/p\u003e\n\u003ch3\u003eSpawning Behaviour\u003c\/h3\u003e\n\u003cp\u003eMales display persistently and may chase females, so visual barriers matter. Gestation is usually around 7-8 weeks, and brood size can range from 5 to 50 depending on female age, size, and condition. If you are researching \u003cstrong\u003echapalichthys pardalis «presa san juanico» for beginners\u003c\/strong\u003e, breeding is achievable, but managing male pressure and protecting fry are the real skills to learn.\u003c\/p\u003e\n\u003ch3\u003eFry Care \u0026amp; Growth\u003c\/h3\u003e\n\u003cp\u003eNewborn fry are much larger than guppy fry and can usually take finely crushed flake, powdered foods, baby brine shrimp, and microworms almost immediately. A fry-safe sponge filter is ideal. Frequent small water changes and heavy feeding produce the best growth. If you want to raise a colony, a separate grow-out tank is very useful.\u003c\/p\u003e\n\u003ch3\u003eCommon Breeding Challenges\u003c\/h3\u003e\n\u003cp\u003eThe main problems are female stress, fry predation, and poor conditioning. Dense plants help, but a separate nursery setup often improves yield. In mixed tanks, some fry may survive, but dedicated breeding tanks are more consistent.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eCondition adults for 2-3 weeks with alternating spirulina-based staple foods and live or frozen invertebrates, then maintain slightly cooler, very clean water with strong oxygenation. This often improves brood size and female recovery between drops, especially in established freshwater goodeid UK breeding projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eWhen comparing \u003cstrong\u003echapalichthys pardalis «presa san juanico» vs guppy\u003c\/strong\u003e, \u003cstrong\u003echapalichthys pardalis «presa san juanico» or platy\u003c\/strong\u003e, or \u003cstrong\u003echapalichthys pardalis «presa san juanico» vs endler\u003c\/strong\u003e, the splitfin is usually less prolific than guppies but produces fewer, larger, more robust young. That makes it highly rewarding for keepers who enjoy observing growth and behaviour rather than chasing maximum numbers.\u003c\/p\u003e\n\n\u003ch2 id=\"comparison\"\u003ePolka-Dot Splitfin vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eComparison matters because many aquarists first encounter this fish while searching tropical fish online uk, tropical fish for sale in uk, or tropical fish for sale in the uk and wonder whether it behaves like a guppy, platy, or another goodeid. In reality, it sits in its own niche: tougher than many fancy livebearers, rarer than standard shop fish, and more conservation-relevant than most.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003ePolka-Dot Splitfin\u003c\/th\u003e\n\u003cth\u003eAmeca splendens\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\u003e5-8 cm\u003c\/td\u003e\n\u003ctd\u003e8-10 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\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e20-24°C ideal\u003c\/td\u003e\n\u003ctd\u003e20-25°C ideal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£8.71\u003c\/td\u003e\n\u003ctd\u003e£9.95-£14.95 typical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eSmaller specialist livebearer tanks\u003c\/td\u003e\n\u003ctd\u003eLarger robust goodeid groups\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\u003ePolka-Dot Splitfin\u003c\/th\u003e\n\u003cth\u003eGuppy\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperament\u003c\/td\u003e\n\u003ctd\u003eSemi-aggressive\u003c\/td\u003e\n\u003ctd\u003ePeaceful\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWater Type\u003c\/td\u003e\n\u003ctd\u003eNeutral to alkaline, harder water\u003c\/td\u003e\n\u003ctd\u003eAdaptable, often softer to moderately hard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFry Size\u003c\/td\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRarity\u003c\/td\u003e\n\u003ctd\u003eRare tropical fish UK\u003c\/td\u003e\n\u003ctd\u003eCommon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eCollectors and goodeid keepers\u003c\/td\u003e\n\u003ctd\u003eGeneral community tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are weighing \u003cstrong\u003echapalichthys pardalis «presa san juanico» vs ameca splendens\u003c\/strong\u003e, choose the Polka-Dot Splitfin for a smaller tank footprint and subtler patterning. Choose Ameca for a bolder, more assertive colony. If you are comparing \u003cstrong\u003echapalichthys pardalis «presa san juanico» vs guppy\u003c\/strong\u003e, the splitfin wins on rarity, hardiness in cool hard water, and conservation appeal, while guppies win for peaceful mixed communities. For aquarists seeking \u003cstrong\u003egoodeid for sale UK\u003c\/strong\u003e, \u003cstrong\u003ebuy chapalichthys pardalis «presa san juanico» UK\u003c\/strong\u003e, or \u003cstrong\u003ewhere to buy chapalichthys pardalis «presa san juanico» UK\u003c\/strong\u003e, this species is the better choice when you want something beyond standard livebearers.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Polka-Dot Splitfin \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eHealthy \u003cstrong\u003eChapalichthys Pardalis\u003c\/strong\u003e are alert, constantly active, and eager to feed. Good specimens hold their fins open, show clean eyes, and maintain a steady midwater presence without gasping or clamping. Because this species is relatively hardy, visible decline usually points to a husbandry problem rather than fragility.\u003c\/p\u003e\n\u003ch3\u003eSigns of a Healthy Fish\u003c\/h3\u003e\n\u003cp\u003eLook for full body shape, clear skin, regular social interaction, and strong feeding response. Females may appear noticeably fuller when carrying fry, but should still swim strongly. A healthy colony has movement throughout the tank rather than one fish hiding constantly.\u003c\/p\u003e\n\u003ch3\u003eCommon Diseases \u0026amp; Symptoms\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» health\u003c\/strong\u003e issues most often stem from poor water quality, bullying stress, and sudden temperature swings. Common problems include fin damage from aggression, bacterial infections after injury, white spot after stressful transport, and wasting in underfed or parasite-affected fish. As with many livebearers, chronic soft acidic water can also weaken long-term condition.\u003c\/p\u003e\n\u003cp\u003eIf you are researching \u003cstrong\u003echapalichthys pardalis «presa san juanico» diseases\u003c\/strong\u003e, focus first on prevention: stable filtration, hard clean water, varied feeding, and correct stocking. Many cases labelled “disease” are actually environmental stress.\u003c\/p\u003e\n\u003ch3\u003eTreatment Options\u003c\/h3\u003e\n\u003cp\u003eMove affected fish to a separate hospital tank where possible. Increase aeration, test water immediately, and correct ammonia, nitrite, or nitrate problems before medicating. Use broad-spectrum treatments only when symptoms justify them. Salt can help in some cases, but always assess tank mates and plants first.\u003c\/p\u003e\n\u003ch3\u003ePrevention Tips\u003c\/h3\u003e\n\u003cp\u003eWeekly water changes of 25-40%, a mature filter, and a balanced \u003cstrong\u003echapalichthys pardalis «presa san juanico» feeding guide\u003c\/strong\u003e are the best defence. Avoid mixing them with incompatible fish, and do not keep them too warm for long periods. The species’ natural resilience shows best under stable, mineral-rich conditions.\u003c\/p\u003e\n\u003ch3\u003eQuarantine Procedures\u003c\/h3\u003e\n\u003cp\u003eQuarantine all new fish for 2-4 weeks in a separate tank with simple decor, mature filtration, and close observation. This is especially important for fish obtained through \u003cstrong\u003echapalichthys pardalis «presa san juanico» online UK\u003c\/strong\u003e, \u003cstrong\u003eorder chapalichthys pardalis «presa san juanico» UK\u003c\/strong\u003e, or general tropical fish for sale online listings.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Health Warning\u003c\/h4\u003e\n  \u003cp\u003eNever medicate the display tank blindly. Test the water first, isolate the sick fish if possible, and remember that many apparent disease outbreaks begin with stress, poor compatibility, or missed maintenance rather than an infectious pathogen.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003e🔹 Quarantine Protocol\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eUse a separate tank for 2-4 weeks\u003c\/li\u003e\n    \u003cli\u003eKeep temperature and hardness stable\u003c\/li\u003e\n    \u003cli\u003eObserve feeding response daily\u003c\/li\u003e\n    \u003cli\u003eWatch for spots, clamped fins, flashing, or weight loss\u003c\/li\u003e\n    \u003cli\u003eOnly move fish to the display tank when fully settled\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eUnderstanding Polka-Dot Splitfin Behavior in the Aquarium\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eChapalichthys pardalis «presa san juanico» behaviour\u003c\/strong\u003e is one of the species’ strongest selling points. These fish are active throughout the day, usually occupying the middle level of the aquarium while constantly checking surfaces for food. They are social rather than schooling, and they establish a clear pecking order, especially among males.\u003c\/p\u003e\n\u003cp\u003eIn the right group size, this behaviour is fascinating rather than problematic. Males posture, chase briefly, and display to females, while females patrol the tank more steadily. In cramped tanks, the same energy can turn into persistent harassment. That is why a proper \u003cstrong\u003echapalichthys pardalis «presa san juanico» tank setup\u003c\/strong\u003e with plants, decor breaks, and correct sex ratio matters so much.\u003c\/p\u003e\n\u003cp\u003eTo encourage natural behaviour, keep them in groups, offer mixed foods, and avoid pairing them with shy species that suppress their confidence. A settled colony will graze, interact, and breed regularly. For many aquarists, this lively personality is exactly why \u003cstrong\u003eChapalichthys Pardalis “Presa San Juanico”\u003c\/strong\u003e earns a place among the best tropical fish uk specialist options.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003ePolka-Dot Splitfins are not just another line on a stock list. They are a specialist goodeid that benefits from correct handling, careful sex-ratio planning, and proper acclimation to local conditions. When customers search \u003cstrong\u003ebest place to buy tropical fish online uk\u003c\/strong\u003e, \u003cstrong\u003etropical fish uk online\u003c\/strong\u003e, \u003cstrong\u003ebuy live fish online uk\u003c\/strong\u003e, or \u003cstrong\u003ebuy tropical fish online uk free delivery\u003c\/strong\u003e, what they really want is confidence that the fish have been selected and packed with their actual needs in mind.\u003c\/p\u003e\n\u003cp\u003eOur approach with this species is practical and species-specific. Fish are observed before sale for feeding response, swimming posture, and visible condition. We do not treat Polka-Dot Splitfins like delicate soft-water tetras or mass-market guppies; they are maintained as hardy, active splitfins that prefer stable, mineral-rich water and space to move. That makes a real difference to how they settle after \u003cstrong\u003etropical fish delivery uk\u003c\/strong\u003e, \u003cstrong\u003euk tropical fish delivery\u003c\/strong\u003e, or \u003cstrong\u003echapalichthys pardalis «presa san juanico» delivery UK\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEach shipment is packed in insulated boxes, with heat packs in cold weather and professional fish-bagging methods to reduce stress. Tracked delivery helps minimise transit time. On arrival, slow acclimation is still essential, especially if your home water is much softer or warmer than the holding water. This is one reason customers looking for \u003cstrong\u003elive chapalichthys pardalis «presa san juanico» UK\u003c\/strong\u003e, \u003cstrong\u003echapalichthys pardalis «presa san juanico» for sale UK\u003c\/strong\u003e, or \u003cstrong\u003echapalichthys pardalis «presa san juanico» shop UK\u003c\/strong\u003e often prefer a seller that provides species-specific care information rather than generic livestock notes.\u003c\/p\u003e\n\u003cp\u003eIf you have been comparing \u003cstrong\u003echapalichthys pardalis «presa san juanico» price UK\u003c\/strong\u003e, \u003cstrong\u003echeap chapalichthys pardalis «presa san juanico» UK\u003c\/strong\u003e, or general \u003cstrong\u003etropical fish sale uk\u003c\/strong\u003e offers, remember that correct conditioning and packing matter more than shaving pennies off the ticket price. Order your Polka-Dot Splitfin today with confidence if you want a rare, characterful goodeid that arrives backed by a clear care plan and realistic husbandry advice.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Polka-Dot Splitfin\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSpecies selected for active feeding response and strong body condition before dispatch\u003c\/li\u003e\n    \u003cli\u003eHandled as a specialist Mexican goodeid, not a generic livebearer\u003c\/li\u003e\n    \u003cli\u003ePacked for safe tracked delivery with insulation and seasonal heat protection\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 are building a specialist livebearer or robust community setup, consider a few carefully chosen additions. \u003ca href=\"\/products\/tropical-fish-uk\"\u003eFRY X (Chapalichthys Pardalis - Polka-Dot\u003c\/a\u003e is the closest related option for colony planning and fry-focused setups. \u003ca href=\"\/products\/tropical-fish-uk\"\u003eRed Black Guppy\u003c\/a\u003e and \u003ca href=\"\/products\/tropical-fish-uk\"\u003eAlbino Sky Blue Guppy\u003c\/a\u003e are useful comparison species if you are deciding between classic livebearers and splitfins. For contrast in larger, more advanced aquariums, review \u003ca href=\"\/products\/tropical-fish-uk\"\u003eGlass Bloodfin Tetras - Prionobrama\u003c\/a\u003e. Avoid unsuitable impulse mixes with giants such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003eGold Giant Gourami\u003c\/a\u003e or predatory species like \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePolypterus Endlicherii\u003c\/a\u003e. If you are browsing tropical fish for sale uk, online tropical fish uk, or tropical fish buy online uk selections, this species is best chosen as part of a deliberate setup rather than a random mixed order.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"Default Title","offer_id":57379788652879,"sku":"6413","price":11.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/polka-dot-splitfin-chapalichthys-pardalis-natural-aquarium-6413.webp?v=1777850370","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/tropical-fish-uk-for-sale-buy-live-online-polka-dot-splitfin","provider":"Tropical Fish Co","version":"1.0","type":"link"}