{"product_id":"aqua-imports-hyriopsis-bialatus-shark-tooth-clam","title":"Shark Fin Mussel - Hyriopsis Bialatus - Shark Tooth Clam | UK","description":"\u003cp\u003eThe \u003cstrong\u003eHyriopsis Bialatus\u003c\/strong\u003e, better known as the \u003cstrong\u003eShark Fin Mussel\u003c\/strong\u003e or \u003cstrong\u003eShark Tooth Clam\u003c\/strong\u003e, is one of the most unusual freshwater invertebrates available to aquarists who enjoy true \u003cstrong\u003eaquarium oddballs\u003c\/strong\u003e. Its shell grows into a bold, angular ridge that explains the common name immediately; if you have ever wondered \u003cem\u003ewhat does shark fin look like\u003c\/em\u003e in an aquarium context, this species gives you the answer in living form. Native to Thailand and parts of Southeast Asia, \u003cem\u003eHyriopsis bialatus\u003c\/em\u003e is a peaceful bottom-dwelling unionid mussel that can reach around 15 cm, live for up to 10 years, and thrive only when its specialised needs are met. This is not a casual impulse purchase. A proper \u003cstrong\u003eshark fin mussel care guide\u003c\/strong\u003e matters because long-term success depends on stable water, suspended food, and a mature system rather than simple “drop in and forget” care. See our detailed photos showing the shell profile, growth lines, and the characteristic raised edge that makes this species stand out in a display of rare freshwater molluscs. For aquarists looking for an \u003cstrong\u003eaquarium mollusc UK\u003c\/strong\u003e hobbyists rarely see, the Shark Fin Mussel offers a striking, natural centrepiece for a calm, well-maintained 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\u003eHyriopsis bialatus\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Difficult\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 22-28°C (72-82°F)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 6.5-7.5\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Up to 10 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 Omnivorous filter feeder\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 Unionida\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Unionidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e \u003cem\u003eHyriopsis\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eHyriopsis bialatus\u003c\/em\u003e belongs to the freshwater mussel family Unionidae, a group known for large, long-lived bivalves that spend much of their lives partially buried in substrate. In the aquarium hobby, this species sits firmly in the specialist category rather than the beginner community market. It is most often chosen by keepers of unusual invertebrates, biotope enthusiasts, and aquarists building displays around Southeast Asian river life.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Does Hyriopsis Bialatus Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHyriopsis Bialatus\u003c\/strong\u003e originates from freshwater systems in Thailand and neighbouring parts of Southeast Asia, where it inhabits slow to moderately flowing rivers, floodplain channels, and silty margins with stable seasonal conditions. In the wild, the \u003cstrong\u003eShark Fin Mussel\u003c\/strong\u003e spends much of its time partly buried, using its muscular foot to anchor itself in sand or fine sediment while filtering suspended microscopic food from the water column.\u003c\/p\u003e\n\u003cp\u003eThis natural habitat explains several key points in any serious \u003cstrong\u003eshark fin mussel aquarium setup\u003c\/strong\u003e. First, the species does not graze algae in the way many snails do. Second, it relies on fine organic particles, phytoplankton, green water, and microscopic suspended foods. Third, it does best in mature tanks where biological activity is already established. A sterile, overly polished aquarium often looks clean to the keeper but offers too little natural nutrition for a filter-feeding mussel.\u003c\/p\u003e\n\u003cp\u003eIn nature, these mussels experience warm tropical conditions, which is why the recommended \u003cstrong\u003eshark fin mussel temperature\u003c\/strong\u003e and \u003cstrong\u003eshark fin mussel water temperature\u003c\/strong\u003e in captivity sit between 22 and 28°C. Water is usually neutral to slightly acidic or slightly alkaline depending on locality, making a moderate range of pH 6.5 to 7.5 appropriate. The ideal \u003cstrong\u003eshark fin mussel water hardness\u003c\/strong\u003e is not extreme; moderate mineral content helps shell development, which is why many keepers pay attention to \u003cstrong\u003eshark fin mussel GH KH requirements\u003c\/strong\u003e rather than focusing on pH alone.\u003c\/p\u003e\n\u003cp\u003eBecause this species is uncommon in the trade, many hobbyists searching \u003cstrong\u003ebuy shark fin mussel UK\u003c\/strong\u003e, \u003cstrong\u003ewhere to buy shark fin mussel UK\u003c\/strong\u003e, or \u003cstrong\u003eshark fin mussel for sale UK\u003c\/strong\u003e are specifically looking for a healthy, correctly identified specimen rather than a generic freshwater clam. If you want a \u003cstrong\u003elive shark fin mussel UK\u003c\/strong\u003e aquarists can keep successfully, the habitat clues above are essential. This is not a decorative shell. It is a living river mussel with very specific ecological needs.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking natural habitat improves survival dramatically. Use fine sand, stable warm water, moderate hardness, and a mature tank with suspended microfoods. The more your setup resembles a calm tropical river margin, the better your Shark Fin Mussel will settle and feed.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow Do You Set Up the Perfect Tank for Hyriopsis Bialatus?\u003c\/h2\u003e\n\u003cp\u003eA successful \u003cstrong\u003eshark fin mussel tank setup\u003c\/strong\u003e starts with understanding that this species is not simply an ornament for the substrate. It is a living filter feeder that needs room, stable chemistry, and food in the water column. The listed \u003cstrong\u003eshark fin mussel minimum tank size\u003c\/strong\u003e is 60 litres, but for long-term care a mature 90-120 litre aquarium is a safer choice because it provides more stable chemistry and more suspended food. If you are asking about \u003cstrong\u003eshark fin mussel tank requirements\u003c\/strong\u003e, think maturity and consistency before decoration.\u003c\/p\u003e\n\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eOne adult can live in 60 litres, but that is the minimum. In practice, a larger aquarium gives you a wider safety margin against swings in ammonia, oxygen, and food availability. People often ask \u003cstrong\u003ehow many shark fin mussel per tank\u003c\/strong\u003e; for most home aquariums, one specimen in a well-established tank is the best starting point. Multiple mussels compete for the same suspended food and can slowly starve in tanks that look otherwise healthy.\u003c\/p\u003e\n\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cp\u003eThe best \u003cstrong\u003eshark fin mussel water parameters\u003c\/strong\u003e are 22-28°C, pH 6.5-7.5, and hardness around 5-15 dGH. Those figures cover the practical \u003cstrong\u003eshark fin mussel ideal conditions\u003c\/strong\u003e for shell health and metabolic stability. If you are specifically checking \u003cstrong\u003eshark fin mussel GH KH requirements\u003c\/strong\u003e, aim for moderate hardness and avoid extremely soft, acidic water over the long term, as poor mineral availability can weaken shell condition.\u003c\/p\u003e\n\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n    \u003cdiv class=\"spec-value\"\u003e22-28°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\"\u003e6.5-7.5\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\"\u003e5-15 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\n\u003ch3\u003eFiltration\u003c\/h3\u003e\n\u003cp\u003eUse gentle but efficient filtration. A mature external filter such as an \u003ca href=\"\/collections\/filters\"\u003eaquarium filter system\u003c\/a\u003e is ideal because it provides biological stability without blasting the substrate. Strong direct flow can unsettle buried mussels, while under-filtering can lead to dangerous waste build-up. Fine mechanical filtration should not polish the water so aggressively that all suspended nutrition disappears. The goal is clean, oxygen-rich water that still contains edible microparticles.\u003c\/p\u003e\n\n\u003ch3\u003eSubstrate\u003c\/h3\u003e\n\u003cp\u003eFine sand is the best substrate for this species. It allows the mussel to bury naturally and reduces shell damage compared with coarse gravel. A soft bed of \u003ca href=\"\/collections\/substrate\"\u003eaquarium sand substrate\u003c\/a\u003e 3-5 cm deep works well. Sharp gravel can interfere with normal positioning and may trap detritus in ways that foul the shell opening.\u003c\/p\u003e\n\n\u003ch3\u003ePlants and Decor\u003c\/h3\u003e\n\u003cp\u003eMany keepers ask about \u003cstrong\u003eshark fin mussel with plants\u003c\/strong\u003e and whether a \u003cstrong\u003eshark fin mussel in planted aquarium\u003c\/strong\u003e can work. Yes, planted tanks can be excellent if they are mature and not over-cleaned. Choose rooted plants that tolerate warm water and do not require constant substrate disturbance. Good options include \u003ca href=\"\/collections\/live-plants\"\u003elive aquarium plants\u003c\/a\u003e, especially hardy species such as Java fern attached to wood, Anubias on decor, and Vallisneria along the back. A planted layout can help stabilise water quality, but avoid frequent uprooting around the mussel.\u003c\/p\u003e\n\n\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eLighting should suit the plants rather than the mussel. Moderate lighting for 7-9 hours daily is usually enough. Excessively intense light can trigger nuisance algae and unstable nutrient swings, while very dim tanks may limit plant performance in a mixed setup. If you use a \u003ca href=\"\/collections\/heaters\"\u003ereliable aquarium heater\u003c\/a\u003e, place it where water circulation distributes heat evenly without creating a hot spot near the substrate.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eUse a mature tank of at least 60 litres, ideally larger\u003c\/li\u003e\n    \u003cli\u003eMaintain 22-28°C with stable daily temperature\u003c\/li\u003e\n    \u003cli\u003eKeep pH between 6.5 and 7.5\u003c\/li\u003e\n    \u003cli\u003eProvide moderate hardness for shell support\u003c\/li\u003e\n    \u003cli\u003eChoose fine sand, not sharp gravel\u003c\/li\u003e\n    \u003cli\u003eAvoid aggressive bottom diggers\u003c\/li\u003e\n    \u003cli\u003eEnsure suspended microfoods are available\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 a Shark Fin Mussel. New tanks may test “safe” for ammonia and nitrite but still lack the mature micro-life and suspended nutrition that this species needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Does Hyriopsis Bialatus Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe biggest challenge in \u003cstrong\u003ehow to care for shark fin mussel\u003c\/strong\u003e is feeding. This species is a filter feeder, not a scavenger and not an algae grazer. A proper \u003cstrong\u003eshark fin mussel diet\u003c\/strong\u003e consists of microscopic suspended foods: phytoplankton, green water, infusoria, powdered invertebrate foods, and very fine particulate feeds designed for filter-feeding invertebrates. If you are looking for a true \u003cstrong\u003eshark fin mussel feeding guide\u003c\/strong\u003e, the main rule is simple: food must be in the water column, small enough to filter, and offered regularly without polluting the tank.\u003c\/p\u003e\n\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eUse high-quality powdered foods and phytoplankton-style suspensions as staple \u003cstrong\u003eshark fin food\u003c\/strong\u003e. In a mature aquarium, naturally occurring suspended biofilm and microbial life also contribute. Many losses blamed on “mystery clam problems” are actually slow starvation because the keeper assumes leftover fish food is enough. It is not.\u003c\/p\u003e\n\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/collections\/fish-food\"\u003eFine powdered aquarium foods\u003c\/a\u003e\n  \u003cp\u003eIdeal for creating a suspended feeding cloud that reaches buried filter feeders without overloading the substrate with large particles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/collections\/fish-food\"\u003ePhytoplankton and micro-particle invertebrate foods\u003c\/a\u003e\n  \u003cp\u003eBest used in small, measured doses 3-5 times weekly in mature tanks with strong biological filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eSupplement staple foods with occasional live green water cultures or specialised liquid invertebrate suspensions. These help mimic the natural diet more closely than generic flakes. Questions such as \u003cem\u003ewhat does shark fin taste like\u003c\/em\u003e, \u003cem\u003eshark fin japanese food\u003c\/em\u003e, \u003cem\u003eshark fin meat\u003c\/em\u003e, or \u003cem\u003eshould we eat shark fin soup\u003c\/em\u003e are unrelated to aquarium care; for this species, “shark fin” refers only to the shell shape. The mussel itself should be viewed strictly as a living freshwater invertebrate, not food.\u003c\/p\u003e\n\n\u003ch3\u003eFeeding Frequency and Portion Control\u003c\/h3\u003e\n\u003cp\u003eFeed lightly but consistently. In most mature aquariums, 3-5 small feedings per week are safer than one large dump of powder. Turn off strong mechanical filtration for 15-20 minutes if needed so the food stays suspended long enough to be filtered. Avoid adding so much that the tank clouds for hours.\u003c\/p\u003e\n\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\u003eFine powdered invertebrate food\u003c\/td\u003e\n\u003ctd\u003eA light dusting dispersed in tank water\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003ePhytoplankton or liquid microfood\u003c\/td\u003e\n\u003ctd\u003eSmall measured dose, 3-5 times weekly\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFoods to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid large pellets, copper-contaminated foods, and any medication-laced feed. Do not rely on fish leftovers. Search phrases like \u003cem\u003ewhat shark fins are used for\u003c\/em\u003e, \u003cem\u003ewhat is shark fin siomai made of\u003c\/em\u003e, \u003cem\u003ewas shark fin soup created in the united states\u003c\/em\u003e, or \u003cem\u003ewhat does shark fin soup taste like\u003c\/em\u003e have nothing to do with this animal’s husbandry. The only useful feeding question here is how to provide safe suspended nutrition without fouling the water.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, bacterial blooms, and oxygen loss near the substrate. A Shark Fin Mussel can starve in a dirty tank just as easily as in a clean one, so feed tiny amounts and monitor water quality closely.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eWhat Does Hyriopsis Bialatus Look Like? Appearance, Shell Shape and Growth\u003c\/h2\u003e\n\u003cp\u003eThe defining feature of \u003cstrong\u003eHyriopsis Bialatus\u003c\/strong\u003e is its sharply raised dorsal profile, which gives the shell a triangular, fin-like silhouette. This is why common names such as Shark Fin Mussel and Shark Tooth Clam are used. Adults can reach about 15 cm, though growth depends on diet, mineral availability, and overall tank stability. Juveniles are usually smoother and less dramatic, while older specimens develop a stronger ridge and more obvious shell depth.\u003c\/p\u003e\n\u003cp\u003eShell colour is usually olive-brown, tan, or dark brown with visible growth lines. In well-kept specimens, the shell surface looks solid and layered rather than chalky or eroded. Hobbyists sometimes ask unrelated questions like \u003cem\u003eare shark fins cartilage\u003c\/em\u003e, \u003cem\u003eare shark fins made of cartilage\u003c\/em\u003e, \u003cem\u003eare shark fins flexible\u003c\/em\u003e, or \u003cem\u003ecan shark fins bend\u003c\/em\u003e. In this case the “fin” is simply a shell shape, not a body fin at all. Likewise, questions such as \u003cem\u003eare shark fins sharp\u003c\/em\u003e or \u003cem\u003ecan shark fins cut you\u003c\/em\u003e do not really apply beyond the fact that damaged shell edges should be handled gently.\u003c\/p\u003e\n\u003cp\u003eThere is no useful ornamental colour morph market for this species, and sexual dimorphism is minimal to non-visible in routine aquarium conditions. Instead of colour forms, keepers judge quality by shell symmetry, intact margins, responsiveness, and steady weight. Our photos show the natural chocolate-brown to olive shell tones and the raised profile that becomes more impressive as the mussel matures. If you want a display animal that looks different from snails, shrimp, or standard clams, few species are as striking.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Hyriopsis Bialatus? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eshark fin mussel tank mates\u003c\/strong\u003e question is simple in principle and tricky in practice. This species is peaceful, stationary, and vulnerable to disturbance, so the best companions are calm fish and invertebrates that will not nip, dig, pry, or constantly overturn the substrate. If you are searching for \u003cstrong\u003eshark fin mussel safe tank mates\u003c\/strong\u003e, think gentle community species rather than boisterous bottom feeders.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eSmall to medium peaceful fish work best. Suitable companions include calm rasboras, peaceful danios, many tetras, dwarf gouramis, and gentle livebearers that occupy the midwater rather than the bottom. Invertebrate companions can include \u003ca href=\"\/collections\/shrimp\"\u003efreshwater shrimp\u003c\/a\u003e and \u003ca href=\"\/collections\/snails\"\u003eaquarium snails\u003c\/a\u003e, provided the tank is stable and feeding is managed carefully.\u003c\/p\u003e\n\u003cp\u003eFor keepers of unusual livestock, this mussel can also sit in a thoughtfully planned oddball display, but not with every species marketed as an oddball. Search terms like \u003cem\u003eoddball fish for 20 gallon\u003c\/em\u003e, \u003cem\u003eoddball fish for 30 gallon\u003c\/em\u003e, \u003cem\u003eoddball fish for 10 gallon\u003c\/em\u003e, and \u003cem\u003eoddball nano fish\u003c\/em\u003e often lead hobbyists toward species that are too active, too predatory, or too substrate-focused for a mussel tank. A Shark Fin Mussel is not suitable with rough, curious, or digging oddballs.\u003c\/p\u003e\n\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid loaches, large cichlids, pufferfish, aggressive catfish, and any fish known to dig or mouth invertebrates. Bottom-digging species can bury the mussel too deeply, expose it repeatedly, or stress it so much that feeding stops. Even attractive oddballs such as \u003cem\u003emarble sailfin catfish\u003c\/em\u003e or \u003cem\u003ejaguar dolphin catfish\u003c\/em\u003e are poor choices because of their size, strength, and bottom activity. The same caution applies to many so-called \u003cem\u003eafrican oddball fish\u003c\/em\u003e and larger predatory species.\u003c\/p\u003e\n\n\u003ch3\u003eCommunity Tank Examples\u003c\/h3\u003e\n\u003cp\u003eIn a 90-litre mature setup, one Shark Fin Mussel can work with a shoal of 10-12 small rasboras and a few snails. In a 120-litre planted community, one mussel can share space with 12-15 peaceful tetra-sized fish and a shrimp colony if feeding is carefully controlled. If you are wondering whether this is the \u003cstrong\u003ebest mollusc for community tank\u003c\/strong\u003e use, the answer is: only for experienced keepers who can maintain suspended food without sacrificing water quality.\u003c\/p\u003e\n\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=\"\/collections\/shrimp\"\u003eFreshwater shrimp\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003ePeaceful and unlikely to disturb the shell if food is adequate\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/collections\/snails\"\u003eAquarium snails\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eGenerally safe in stable, non-copper systems\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLoaches and digging catfish\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eCan stress, flip, or damage buried mussels\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eSome search queries around “shark fin” such as \u003cem\u003ewhat's shark fin soup\u003c\/em\u003e, \u003cem\u003ewhat's shark finning\u003c\/em\u003e, \u003cem\u003ewhy shark fin is illegal\u003c\/em\u003e, \u003cem\u003ewhen was shark fin soup banned\u003c\/em\u003e, \u003cem\u003ewhy is shark fin soup so popular\u003c\/em\u003e, or \u003cem\u003ewhy shark fin above water\u003c\/em\u003e are unrelated to aquarium compatibility. The important point for aquarists is that this freshwater unionid is peaceful and should be protected from tank mates that cause physical stress.\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 a mussel tank. Parasites, bacterial issues, and medication residues are much harder to manage once sensitive invertebrates are already in the display.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow Do You Breed Hyriopsis Bialatus? Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eShark fin mussel breeding\u003c\/strong\u003e is advanced and rarely achieved in the average home aquarium. Like many unionid mussels, \u003cem\u003eHyriopsis bialatus\u003c\/em\u003e has a complex reproductive cycle that may involve larval stages requiring a host fish. That makes this species very different from snails or shrimp that reproduce directly in freshwater tanks. If you are researching \u003cstrong\u003ehow to care for shark fin mussel\u003c\/strong\u003e with breeding in mind, be prepared for specialist work rather than casual experimentation.\u003c\/p\u003e\n\u003cp\u003eVisible sex differences are not reliable for most hobbyists. Conditioning requires excellent water quality, stable temperature, and abundant suspended nutrition over time. Even then, successful reproduction may fail if the correct host relationship is absent. This is one reason the species remains uncommon despite interest from keepers of \u003cstrong\u003eshark fin fish\u003c\/strong\u003e-style oddities and other rare livestock.\u003c\/p\u003e\n\u003cp\u003eQueries like \u003cem\u003eshark fin mussel vs nerite snail\u003c\/em\u003e highlight the difference well: nerites are easier to keep and understand, while unionid mussels are biologically more demanding. Likewise, people browsing \u003cem\u003eoddball fish for 30 gallon\u003c\/em\u003e or \u003cem\u003eoddball fish for 20 gallon\u003c\/em\u003e are usually not looking at species with such specialised breeding cycles. If your main goal is breeding success, this is not the easiest freshwater invertebrate to start with.\u003c\/p\u003e\n\u003cp\u003eThe best practical advice is to focus on long-term health first. A stable mature tank, correct feeding, and minimal disturbance are the foundation. Breeding attempts should only be considered by advanced keepers willing to research host-fish requirements and larval development in detail.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eFor unionid mussels, breeding often depends on more than water quality alone. Investigate whether the species requires a specific host fish for glochidia development before attempting any dedicated breeding project.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eHyriopsis Bialatus vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eMany buyers compare this species with generic freshwater clams or common snails before deciding. That is sensible, because the \u003cstrong\u003eshark fin mussel vs freshwater clam\u003c\/strong\u003e and \u003cstrong\u003eshark fin mussel vs freshwater mussel\u003c\/strong\u003e question usually comes down to appearance, lifespan, and care difficulty. \u003cem\u003eHyriopsis bialatus\u003c\/em\u003e is more dramatic in shape and often larger, but it is also more specialised than many small clams sold for novelty.\u003c\/p\u003e\n\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHyriopsis bialatus\u003c\/th\u003e\n\u003cth\u003eGeneric freshwater clam\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\u003eUp to 15 cm\u003c\/td\u003e\n\u003ctd\u003eUsually smaller\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003ctd\u003eModerate to difficult\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e22-28°C\u003c\/td\u003e\n\u003ctd\u003eVaries by species\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£6.78\u003c\/td\u003e\n\u003ctd\u003eVaries\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eSpecialist oddball displays\u003c\/td\u003e\n\u003ctd\u003eGeneral novelty invertebrate setups\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHyriopsis bialatus\u003c\/th\u003e\n\u003cth\u003eNerite snail\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFeeding Style\u003c\/td\u003e\n\u003ctd\u003eFilter feeder\u003c\/td\u003e\n\u003ctd\u003eAlgae grazer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVisibility\u003c\/td\u003e\n\u003ctd\u003eOften partly buried\u003c\/td\u003e\n\u003ctd\u003eConstantly active on surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Focus\u003c\/td\u003e\n\u003ctd\u003eSuspended microfoods\u003c\/td\u003e\n\u003ctd\u003eBiofilm and algae availability\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShell Impact\u003c\/td\u003e\n\u003ctd\u003eLarge focal specimen\u003c\/td\u003e\n\u003ctd\u003eSmall utility invertebrate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eExperienced keepers\u003c\/td\u003e\n\u003ctd\u003eMost community tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eIf you are deciding between \u003cstrong\u003eshark fin mussel or corbicula\u003c\/strong\u003e, remember that shell shape and husbandry can differ significantly by species. The Shark Fin Mussel is the better choice if you want a true display bivalve with a bold profile and are prepared for specialist feeding. A smaller clam or snail is the better option if your priority is ease of care. In short, choose \u003cstrong\u003eHyriopsis Bialatus\u003c\/strong\u003e for rarity, form, and long-term interest—not for convenience.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eWhat Are the Common Health Problems in Hyriopsis Bialatus and How Can You Prevent Them?\u003c\/h2\u003e\n\u003cp\u003eThe most common problem in Shark Fin Mussels is not a dramatic disease outbreak but slow decline caused by starvation, unstable chemistry, or unsuitable medication. A healthy specimen responds to disturbance by closing firmly, keeps its shell margins intact, and remains anchored or partially buried in a stable position. Excessive gaping, failure to react, tissue recession, or a foul smell are serious warning signs.\u003c\/p\u003e\n\u003cp\u003eThe key health factors are oxygen, nutrition, shell mineral support, and freedom from toxins. Search phrases such as \u003cem\u003eshark fin health benefits\u003c\/em\u003e, \u003cem\u003eshark fin medicine\u003c\/em\u003e, \u003cem\u003edoes shark fin soup have health benefits\u003c\/em\u003e, or \u003cem\u003eis shark fin soup healthy\u003c\/em\u003e do not apply here; this is a freshwater aquarium invertebrate, and “health” means husbandry quality, not human consumption myths. The most useful question is which conditions keep the mussel alive and feeding over the long term.\u003c\/p\u003e\n\u003cp\u003eOne major danger is copper. Copper-based medications used for fish parasites can be lethal to mussels, shrimp, and snails even at low concentrations. Another issue is sudden pH or hardness instability, which can stress the animal and affect shell condition. Poor substrate hygiene can also create low-oxygen pockets around buried specimens, especially if overfeeding is common.\u003c\/p\u003e\n\u003cp\u003eIf treatment is needed in a mixed aquarium, move fish to a separate hospital tank whenever possible rather than medicating the display. Gentle water changes, stable temperature, and improved feeding are often more useful than random medication. When buyers ask \u003cem\u003ewhich shark fin\u003c\/em\u003e, \u003cem\u003ewhich shark fins are best\u003c\/em\u003e, or \u003cem\u003ewhich shark fin soup\u003c\/em\u003e, the aquarium answer is much simpler: choose the healthiest specimen from a trusted \u003cstrong\u003eshark fin mussel shop UK\u003c\/strong\u003e source, and protect it from poor water and copper exposure.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Critical Health Warning\u003c\/h4\u003e\n  \u003cp\u003eNEVER use copper-based medications with invertebrates. Copper is highly dangerous to mussels, shrimp, and snails, and even trace residues in a display tank can cause losses.\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\u003eQuarantine fish tank mates for 2-4 weeks before introduction\u003c\/li\u003e\n    \u003cli\u003eDo not medicate a mussel display unless absolutely necessary\u003c\/li\u003e\n    \u003cli\u003eTest ammonia, nitrite, nitrate, pH, and hardness weekly\u003c\/li\u003e\n    \u003cli\u003eInspect shell condition and response to movement regularly\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eHow Does Hyriopsis Bialatus Behave in the Aquarium?\u003c\/h2\u003e\n\u003cp\u003eThe behaviour of \u003cstrong\u003eHyriopsis Bialatus\u003c\/strong\u003e is subtle but fascinating. This is a peaceful, mostly sedentary species that spends much of its time partly buried in the bottom. It may slowly reposition itself using the muscular foot, especially after introduction or after changes in flow. Once settled, it often remains in the same area for long periods.\u003c\/p\u003e\n\u003cp\u003eDo not expect constant visible activity. Unlike fish, shrimp, or snails, a healthy Shark Fin Mussel shows its condition through posture, shell closure, and stable placement rather than obvious movement. It is solitary rather than social, so there is no need to keep a group. For aquarists who enjoy watching natural processes rather than constant motion, this makes the species especially rewarding.\u003c\/p\u003e\n\u003cp\u003eNatural behaviour is best encouraged by fine substrate, gentle flow, low stress, and consistent feeding. If the mussel repeatedly climbs, tips over, or remains widely gaped, review your \u003cstrong\u003eshark fin mussel water parameters\u003c\/strong\u003e, food routine, and tank mate choices. In the right setup, its calm presence adds a very different kind of interest to a Southeast Asian display.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy Hyriopsis Bialatus from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen you \u003cstrong\u003eorder shark fin mussel UK\u003c\/strong\u003e stock, condition on arrival matters more than almost any other factor. This species does not tolerate rough handling, stale water, or long periods in poor oxygen conditions. For that reason, each specimen should be packed as a sensitive live invertebrate rather than as a generic “clam”. Buyers searching \u003cstrong\u003eshark fin mussel online UK\u003c\/strong\u003e, \u003cstrong\u003eshark fin mussel delivery UK\u003c\/strong\u003e, or \u003cstrong\u003eshark fin mussel price UK\u003c\/strong\u003e are usually comparing more than cost—they are comparing confidence.\u003c\/p\u003e\n\u003cp\u003eOur approach is built around the needs of this exact species. Specimens are checked for shell integrity, responsiveness, and overall condition before dispatch. We include practical acclimation guidance because a \u003cstrong\u003efreshwater mollusc UK\u003c\/strong\u003e keeper may be buying a unionid mussel for the first time. If you are looking to \u003cstrong\u003ebuy mollusc UK\u003c\/strong\u003e stock responsibly, details like temperature stability, oxygenation, and careful packing matter far more than a low headline price.\u003c\/p\u003e\n\u003cp\u003eTracked delivery, insulated packaging, and seasonal heat packs help protect sensitive livestock during transit. We recommend slow acclimation to match temperature and chemistry, especially where local water differs in hardness. Whether you searched \u003cstrong\u003emollusc for sale UK\u003c\/strong\u003e, \u003cstrong\u003elive mollusc UK\u003c\/strong\u003e, \u003cstrong\u003etropical mollusc UK\u003c\/strong\u003e, or even \u003cstrong\u003eshark fin uk\u003c\/strong\u003e, the goal is the same: receive a healthy specimen and keep it successfully long term.\u003c\/p\u003e\n\u003cp\u003eFor specialist keepers exploring rare stock alongside searches like \u003cem\u003emormyridae for sale\u003c\/em\u003e or \u003cem\u003ehujeta gar for sale\u003c\/em\u003e, this mussel offers a very different kind of rarity—quiet, unusual, and genuinely distinctive. Order your \u003cstrong\u003eHyriopsis Bialatus\u003c\/strong\u003e today with confidence if you have the mature setup it deserves.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Hyriopsis Bialatus\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eCondition-focused selection with attention to shell integrity and responsiveness\u003c\/li\u003e\n    \u003cli\u003ePacked as a sensitive live freshwater mussel, not as a generic invertebrate\u003c\/li\u003e\n    \u003cli\u003ePractical acclimation guidance for long-term success in UK aquariums\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eYou Might Also Like\u003c\/h2\u003e\n\u003cp\u003eComplete your setup with a few carefully chosen essentials and companions. Add \u003ca href=\"\/collections\/live-plants\"\u003elive aquarium plants\u003c\/a\u003e to create a more stable, natural environment around the substrate. Use a dependable \u003ca href=\"\/collections\/filters\"\u003eaquarium filter system\u003c\/a\u003e and a \u003ca href=\"\/collections\/heaters\"\u003ereliable aquarium heater\u003c\/a\u003e to keep water quality and temperature steady. For compatible invertebrates, browse \u003ca href=\"\/collections\/shrimp\"\u003efreshwater shrimp\u003c\/a\u003e or \u003ca href=\"\/collections\/snails\"\u003eaquarium snails\u003c\/a\u003e for peaceful tank mates. To support feeding, keep a supply of \u003ca href=\"\/collections\/fish-food\"\u003efine powdered aquarium foods\u003c\/a\u003e on hand for regular micro-particle meals. If you enjoy unusual livestock, our wider \u003ca href=\"\/collections\/fish\"\u003erare aquarium livestock collection\u003c\/a\u003e is a good next stop for more specialist species.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"Default Title","offer_id":57379727180111,"sku":"K551","price":6.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/hyriopsis-bialatus-shark-fin-mussel-hyriopsis-bialatus-shark-tooth-clam-hero-driftwood-k551.webp?v=1776545524","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/aqua-imports-hyriopsis-bialatus-shark-tooth-clam","provider":"Tropical Fish Co","version":"1.0","type":"link"}