Species Profiles
2402 articles- Perugia's Limia Care GuideLimia perugiae is a Hispaniolan livebearer from the Dominican Republic that prefers hard, slightly alkaline water and bears live young.
- Black-bellied Limia Care GuideLimia melanogaster is a hardy Caribbean livebearer from Jamaica that thrives in hard, alkaline water and gives birth to live young.
- Yucatan Sailfin Molly Care GuidePoecilia velifera is the largest sailfin molly, a brackish-tolerant livebearer endemic to the Yucatan Peninsula that needs hard, alkaline wa
- Variatus Platy Care GuideXiphophorus variatus is a hardy livebearer endemic to eastern Mexico, slightly larger than the common platy and suited to peaceful community
- Black Bar Endler (Poecilia wingei) Care GuideThe Black Bar Endler is a colour form of Poecilia wingei, a tiny livebearer from Venezuelan lagoons, kept in hard, alkaline planted tanks.
- Tiger Endler Care GuideTiger Endler is an aquarium strain of Poecilia wingei, a small Venezuelan livebearer closely related to the guppy.
- Mosaic Guppy Care GuideThe Mosaic Guppy is a selectively bred strain of Poecilia reticulata with a mottled, multi-coloured tail; a hardy, peaceful livebearer.
- 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.
- Chinese Algae Eater Care GuideGyrinocheilus aymonieri is a Southeast Asian algae grazer that becomes territorial with age and reaches up to 28 cm.
- Rosy Bitterling (Rhodeus ocellatus) Care GuideRhodeus ocellatus is an East Asian bitterling that lays its eggs inside living freshwater mussels.
- European Bitterling Care GuideRhodeus amarus is a small native European cyprinid that spawns inside living freshwater mussels and prefers cool tanks.
- Eurasian Minnow Care GuidePhoxinus phoxinus is a small cool-water shoaling minnow native across Eurasia, suited to unheated, well-oxygenated tanks.
- Red Shiner (Notropis lutrensis) Care GuideNotropis lutrensis is a hardy North American minnow, valid as Cyprinella lutrensis, with breeding males showing a red flush.
- Topmouth Gudgeon Care GuidePseudorasbora parva is a hardy East Asian cyprinid, listed as an invasive alien species of concern in the EU.
- Asagi Koi Care GuideAsagi is one of the original koi varieties of Cyprinus carpio, recognised by a blue-grey netted back and red markings on the flanks and chee
- Kohaku Koi Care GuideKohaku is a white-bodied koi variety with red markings, a coldwater pond fish bred from Cyprinus carpio requiring a large outdoor pond.
- Pearlscale Goldfish Care GuidePearlscale is a round-bodied fancy variety of Carassius auratus with domed, pearl-like scales and a coldwater, sensitive constitution.
- Beavan's Stone Loach Care GuideSchistura beavani is a South Asian stone loach common in fast streams of India and Nepal, a hardy, territorial bottom-dweller.
- Banded Stone Loach Care GuideSchistura balteata is a Myanmar stone loach with bold dark-and-orange banding, an energetic, territorial fish needing fast, oxygen-rich wate
- Spotted Stone Loach Care GuideSchistura notostigma is a spot-patterned stone loach endemic to Sri Lanka, an active, territorial bottom-dweller of fast streams.
- Leveretti Beaufortia Care GuideBeaufortia leveretti is a robust hillstream loach from China and Vietnam, requiring fast, oxygen-rich water and grazing biofilm from rocks.
- Hong Kong Pleco Care GuideBeaufortia kweichowensis is a Chinese hillstream loach, not a true pleco, requiring strong current and oxygen and grazing biofilm from rocks
- Tiger Hillstream Loach Care GuideSewellia pterolineata is a striped hillstream loach needing strong flow and oxygen, grazing biofilm from rocks in fast Mekong streams.
- White-cheek Hillstream Loach Care GuideSewellia albisuera is a flattened hillstream loach adapted to fast, oxygen-rich streams, grazing biofilm and requiring strong current in aqu
- Hasselt's Loach Care GuideLepidocephalichthys hasselti is a slim peaceful cobitid loach from Southeast Asia, a sand-sifting bottom dweller of slow shallow waters.
- Myers's Kuhli (Pangio myersi) Care GuidePangio myersi is a larger, robust kuhli loach from the lower Mekong with broad dark body bars, a peaceful nocturnal burrower for soft-water
- Eel Kuhli Loach (Pangio anguillaris) Care GuidePangio anguillaris is a plain, eel-shaped kuhli loach from Southeast Asia, a peaceful nocturnal bottom-dweller that buries in soft substrate
- Semi-banded Kuhli Loach (Pangio semicincta) Care GuidePangio semicincta is the eel-like loach commonly sold as 'kuhli loach', a peaceful nocturnal forager of Southeast Asian blackwater streams.
- Polka Dot Loach (Botia kubotai) Care GuideBotia kubotai is a yellow-and-black patterned loach from Myanmar's Salween headwaters, a peaceful active schooler for spacious tanks.
- Silver Loach (Yasuhikotakia lecontei) Care GuideYasuhikotakia lecontei is a silvery Mekong-basin botiid loach with red-tipped fins, a gregarious species needing a large tank and a group.
- Redtail Botia (Yasuhikotakia modesta) Care GuideYasuhikotakia modesta, the blue or redtail botia, is a robust Mekong loach with a bluish body and red fins that needs a large tank and a gro
- Vietnamese White Cloud (Tanichthys micagemmae) Care GuideTanichthys micagemmae is a small Vietnamese relative of the White Cloud with an iridescent lateral stripe, kept as a peaceful cool-water sch
- Gold White Cloud Mountain Minnow Care GuideThe Gold White Cloud is a selectively bred golden form of Tanichthys albonubes, a hardy cool-water schooling minnow from China.
- Olive Barb (Systomus sarana) Care GuideSystomus sarana, the olive barb, is a large, robust South Asian cyprinid of rivers and lakes that needs a very spacious aquarium.
- Johor Barb (Desmopuntius johorensis) Care GuideDesmopuntius johorensis, the striped or Johor barb, is a slim Cyprinidae from Southeast Asian rivers and blackwater, kept as a peaceful scho
- Eugrammus Barb Care GuideBarbodes eugrammus is a Southeast Asian striped barb of the Cyprinidae, a peaceful schooling fish from rivers and blackwater habitats.
- 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.
- Albino Tiger Barb Care GuideThe albino tiger barb is a selectively bred form of Puntigrus tetrazona, an active shoaling cyprinid prone to fin-nipping.
- Phutunio Barb (Pethia phutunio) Care GuidePethia phutunio is a tiny barb of the family Cyprinidae from South Asia, a peaceful nano schooler reaching about 3.9 cm.
- Stoliczka's Barb Care GuidePethia stoliczkana is a small peaceful cyprinid from Myanmar, Thailand and northeastern India, suited to planted community tanks in groups.
- Red-stripe Barb (Pethia erythromycter) Care GuidePethia erythromycter is a small Burmese barb from the upper Ayeyarwady basin, suited to soft-water community tanks.
- Golden Dwarf Barb Care GuidePethia gelius is a tiny golden barb from the Ganges and Brahmaputra drainages. A very peaceful, cool-tolerant nano fish for soft-water tanks
- Ticto Barb Care GuidePethia ticto is a small South Asian barb with two black flank spots, a peaceful subtropical schooling cyprinid.
- Black Ruby Barb Care GuidePethia nigrofasciata is a peaceful schooling barb endemic to Sri Lanka; spawning males turn a deep ruby-red.
- 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.
- Devario acrostomus Care GuideDevario acrostomus is a freshwater danionin from the Mekong basin in Laos, an active mid-water schooling cyprinid.
- Sind Danio (Devario spinosus) Care GuideDevario spinosus is a slim danioin cyprinid from Myanmar reaching about 10 cm, an active schooling fish for spacious tanks.
- Bengal Danio (Devario devario) Care GuideDevario devario is a tall-bodied South Asian danioin reaching about 10 cm, an active schooler suited to large aquariums.
- Malabar Danio (Devario malabaricus) Care GuideDevario malabaricus is a large, active schooling cyprinid from peninsular India and Sri Lanka, needing a long tank with swimming room.
- Blue Danio (Danio kerri) Care GuideDanio kerri is a powder-blue danio from islands off the Thai-Malay coast, with gold lines and active, peaceful shoaling behaviour.