Species Profiles
2458 articles- Tiger Endler Care GuideTiger Endler is an aquarium strain of Poecilia wingei, a small Venezuelan livebearer closely related to the guppy.
- Ticto Barb Care GuidePethia ticto is a small South Asian barb with two black flank spots, a peaceful subtropical schooling cyprinid.
- Socolof's Cichlid Care GuideThorichthys socolofi (Chiapas cichlid) is a Mexican cichlid of the Grijalva River basin, closely related to the firemouth.
- Heller's Cichlid Care GuideThorichthys helleri (yellow cichlid) is a Mexican cichlid of the Coatzacoalcos-Usumacinta drainages, a firemouth relative.
- Thorichthys callolepis Care GuideThorichthys callolepis is a Mexican cichlid of the Coatzacoalcos drainage, a less-traded relative of the firemouth.
- Yellow-Brown Wrasse Care GuideThalassoma lutescens is an Indo-Pacific reef wrasse with yellow females and blue-headed terminal males, up to 30 cm.
- Lunare Wrasse Care GuideThalassoma lunare is a widespread Indo-Pacific reef wrasse with a yellow crescent tail, reaching up to 45 cm.
- Hawaiian Saddle Wrasse Care GuideThalassoma duperrey is a reef wrasse endemic to the Hawaiian Islands and Johnston Atoll, reaching about 28 cm.
- Bluehead Wrasse Care GuideThalassoma bifasciatum is a Caribbean reef wrasse and protogynous hermaphrodite; terminal males show a blue head and green body.
- Ten-spotted Livebearer Care GuideCnesterodon decemmaculatus is a tiny, cool-tolerant South American livebearer with black flank spots, suited to small unheated planted tanks
- Tanzanite Endler Care GuideThe Tanzanite Endler is a strain of Poecilia wingei, a tiny peaceful Venezuelan livebearer closely related to the guppy, suited to nano tank
- Tancho Koi Care GuideTancho is a koi variety: a white-bodied ornamental carp with a single red spot on the head, a long-lived pond fish requiring large volumes.
- T-Barb (Spanner Barb) Care GuideBarbodes lateristriga is a large Southeast Asian barb with a T-shaped marking, boisterous as an adult and best kept with robust tankmates.
- Poll's Synodontis Care GuideSynodontis polli is a Lake Tanganyika endemic catfish with a spotted olive-brown body, suited to spacious tanks with Tanganyikan cichlids.
- Sunburst Platy Care GuideThe Sunburst platy is an orange-yellow selectively bred strain of Xiphophorus maculatus, a hardy Central American livebearer for community t
- Yellownose Prawn-goby Care GuideStonogobiops xanthorhinica is a small western Pacific marine goby with a yellow snout that shares a burrow with pistol shrimp in a mutualist
- Filament-fin Shrimp Goby Care GuideStonogobiops nematodes is a small Indo-Pacific marine goby that lives symbiotically with pistol shrimp, recognised by its long filamentous d
- Stoliczka's Barb Care GuidePethia stoliczkana is a small peaceful cyprinid from Myanmar, Thailand and northeastern India, suited to planted community tanks in groups.
- Cocoa Damselfish (Stegastes variabilis) Care GuideStegastes variabilis is a Western Atlantic damselfish; juveniles are blue with a yellow back, adults dusky brown and territorial.
- Longfin Damselfish (Stegastes diencaeus) Care GuideStegastes diencaeus is a Western Atlantic damselfish; juveniles are bright yellow and blue, adults dark and highly territorial.
- Shovelnose Catfish (Sorubim lima) Care GuideSorubim lima is a long, shovel-snouted South American predatory catfish requiring a very large tank and meaty foods.
- Snakeskin Guppy (Poecilia reticulata var. Snakeskin) Care GuideSnakeskin is a fancy guppy strain of Poecilia reticulata, a small livebearer with a reticulated body and fin pattern.
- Snakeskin Discus (Symphysodon sp. "Snakeskin") Care GuideSnakeskin is a captive-bred colour line of discus (genus Symphysodon), South American cichlids needing warm, soft, acidic water.
- Six-banded Distichodus (Distichodus sexfasciatus) Care GuideDistichodus sexfasciatus is a large African characiform from the Congo basin and Lake Tanganyika, growing too big for most home tanks.
- Boitone's Pearlfish (Simpsonichthys boitonei) Care GuideSimpsonichthys boitonei is a small annual killifish endemic to Brazil, living in seasonal pools of the upper Parana basin.
- Wels Catfish (Silurus glanis) Care GuideSilurus glanis is one of the largest freshwater fish in Europe, a cold-water predator suitable only for public aquaria.
- Showa Koi (Cyprinus carpio var. Showa) Care GuideShowa is a black-based, three-colour ornamental koi variety carrying red and white markings, kept in outdoor ponds.
- Shan State Devario (Devario shanensis) Care GuideDevario shanensis is a small cyprinid from the highland streams of Shan State, Myanmar, kept as a peaceful active schooler.
- Prionotos Bearded Cory (Scleromystax prionotos) Care GuideScleromystax prionotos is a small armoured catfish from coastal river systems of south-eastern Brazil, reaching about 6-7 cm.
- Long-finned Bearded Cory (Scleromystax macropterus) Care GuideScleromystax macropterus is a subtropical armoured catfish from coastal southern Brazil, reaching about 8-9 cm with long-finned males.
- Bearded Corydoras (Scleromystax barbatus) Care GuideScleromystax barbatus is a subtropical armoured catfish from coastal south-eastern Brazil, reaching about 9-10 cm with bearded males.
- Mapirito Eartheater (Satanoperca mapiritensis) Care GuideSatanoperca mapiritensis is an eartheater cichlid from the lower Orinoco basin in Venezuela, reaching about 12-15 cm.
- Lilith Eartheater (Satanoperca lilith) Care GuideSatanoperca lilith is an Amazonian eartheater cichlid distributed along the Solimões/Amazon channel, reaching about 20-25 cm.
- White-Spotted Eartheater (Satanoperca leucosticta) Care GuideSatanoperca leucosticta is an eartheater cichlid from the Guiana Shield, reaching about 13-15 cm and brooding larvae in the mouth.
- Jurupari Eartheater (Satanoperca jurupari) Care GuideSatanoperca jurupari is a peaceful sand-sifting eartheater cichlid from the Amazon basin, reaching about 15-18 cm standard length.
- Three-Spot Eartheater (Satanoperca daemon) Care GuideSatanoperca daemon is a blackwater eartheater cichlid from the Rio Negro and upper Orinoco systems, reaching about 20-25 cm.
- Sharp-Headed Eartheater (Satanoperca acuticeps) Care GuideSatanoperca acuticeps is a sand-sifting eartheater cichlid from the central Amazon basin in Brazil, reaching about 14-17 cm.
- Sanke Koi Care GuideSanke is a three-colour ornamental variety of koi carp (Cyprinus carpio var.) with a white body marked by red and black.
- Royal Blue Tetra (Inpaichthys kerri) Care GuideInpaichthys kerri is a small iridescent purplish-blue characid from the Brazilian Aripuana basin, peaceful and best kept in groups.
- Rosy Bitterling (Rhodeus ocellatus) Care GuideRhodeus ocellatus is an East Asian bitterling that lays its eggs inside living freshwater mussels.
- Red Turquoise Discus Care GuideThe Red Turquoise discus is a selectively bred colour strain of the genus Symphysodon, a soft, warm-water Amazonian cichlid.
- Red Shiner (Notropis lutrensis) Care GuideNotropis lutrensis is a hardy North American minnow, valid as Cyprinella lutrensis, with breeding males showing a red flush.
- Rainbow Emperor Tetra (Nematobrycon lacortei) Care GuideNematobrycon lacortei is a small Colombian characid with rainbow iridescence and red eyes, closely related to the emperor tetra.
- Pyxichromis orthostoma Care GuidePyxichromis orthostoma is a predatory haplochromine cichlid from the East African lakes, listed as Vulnerable by the IUCN.
- Orinoco Sailfin Catfish (Pterygoplichthys multiradiatus) Care GuidePterygoplichthys multiradiatus is a heavy-bodied sailfin armoured catfish native to the Orinoco basin that needs a very large, well-filtered
- Vermiculated Sailfin Catfish (Pterygoplichthys disjunctivus) Care GuidePterygoplichthys disjunctivus is a large sailfin armoured catfish from the Madeira basin, widely invasive in tropical waters worldwide.
- Snow Leopard Pleco (Pterygoplichthys anisitsi) Care GuidePterygoplichthys anisitsi is a large sailfin armoured catfish from the Paraguay-Parana system, treated by FishBase as a synonym of P. ambros
- Longfin Killifish (Pterolebias longipinnis) Care GuidePterolebias longipinnis is an annual killifish from the Amazon and Paraguay basins, with greatly extended unpaired fins in males.
- Elongatus Mpanga (Pseudotropheus elongatus "Mpanga") Care GuidePseudotropheus elongatus "Mpanga" is a regional form of an elongate Lake Malawi mbuna cichlid, an algae-grazing maternal mouthbrooder.
- Tiger Shovelnose (Pseudoplatystoma tigrinum) Care GuidePseudoplatystoma tigrinum is a large migratory predatory catfish of the Amazon and Orinoco basins, reaching about 130 cm.