Species Profiles
2742 articles- Garbe's Corydoras Care GuideCorydoras garbei is a small armoured catfish endemic to the Sao Francisco River basin in Brazil, kept in peaceful soft-water aquaria.
- Fowler's Corydoras Care GuideCorydoras fowleri is a long-snouted armoured catfish from the western Amazon basin of Peru and Colombia, kept in soft-water community aquari
- Britski's Catfish Care GuideCorydoras britskii, the largest of the former Brochis genus, is a peaceful armoured catfish from the upper Paraguay basin.
- Gold-Stripe Bronze Corydoras Care GuideThe Gold-Stripe is a selectively-bred ornamental form of the Bronze Corydoras (Corydoras aeneus), a peaceful South American schooling catfis
- Copadichromis virginalis Care GuideCopadichromis virginalis is an open-water utaka cichlid endemic to Lake Malawi, a peaceful maternal mouthbrooder for large aquaria.
- Yellow-tail Congo Tetra Care GuideAlestopetersius caudalis is a small African tetra from the Congo basin, kept as a peaceful, lively schooling fish.
- Cochu's Blue Tetra Care GuideBoehlkea fredcochui, Cochu's blue tetra, is an active translucent-blue characiform from the Amazon basin best kept in larger groups.
- Cobra Guppy Care GuideThe Cobra Guppy is a selectively bred snakeskin-patterned strain of Poecilia reticulata, a hardy livebearer for hard water.
- Clown Barb Care GuideBarbodes everetti, the clown barb, is a large peaceful cyprinid from forest streams of Borneo that needs a roomy planted tank.
- Scott's Fairy Wrasse Care GuideCirrhilabrus scottorum is a zooplankton-feeding reef labrid ranging from the Great Barrier Reef to the Pitcairn Group.
- Red-Fin Fairy Wrasse Care GuideCirrhilabrus rubripinnis, the redfin wrasse, is a zooplankton-feeding reef labrid from the Philippines and Indonesia.
- Pink-Banded Fairy Wrasse Care GuideCirrhilabrus roseafascia, the pink-banded fairy wrasse, is a deeper-water reef labrid first recorded from New Caledonia.
- Spotted Fairy Wrasse Care GuideCirrhilabrus punctatus, the dotted wrasse, is a western Pacific reef labrid whose males develop very long pelvic fins.
- Naoko's Fairy Wrasse Care GuideCirrhilabrus naokoae is a reef-associated labrid from the eastern Indian Ocean off Sumatra, listed as Vulnerable by the IUCN.
- Yellow-Banded Fairy Wrasse Care GuideCirrhilabrus luteovittatus, the yellowband wrasse, is a zooplankton-feeding labrid from the central Pacific kept in reef aquaria.
- Lined Fairy Wrasse Care GuideCirrhilabrus lineatus, the purplelined wrasse, is a reef-associated labrid from the south-western Pacific kept in marine aquaria.
- Lanceolate Fairy Wrasse (Cirrhilabrus lanceolatus) Care GuideCirrhilabrus lanceolatus is a fairy wrasse from Japan and the Philippines, with males bearing lance-like caudal extensions.
- Johnson's Fairy Wrasse (Cirrhilabrus johnsoni) Care GuideCirrhilabrus johnsoni is a fairy wrasse endemic to the Marshall Islands, reaching about 6 cm and feeding on zooplankton.
- Filamented Fairy Wrasse (Cirrhilabrus filamentosus) Care GuideCirrhilabrus filamentosus is an Indo-Pacific fairy wrasse, with males bearing an elongated filamentous dorsal fin.
- Earle's Fairy Wrasse (Cirrhilabrus earlei) Care GuideCirrhilabrus earlei is a deepwater fairy wrasse from Palau and Micronesia, reaching about 7 cm on reef slopes at 60-110 m.
- Conde's Fairy Wrasse (Cirrhilabrus condei) Care GuideCirrhilabrus condei is a fairy wrasse from Papua New Guinea, reaching about 8 cm and living on reef slopes at 5-70 m.
- Purple-back Fairy Wrasse (Cirrhilabrus blatteus) Care GuideCirrhilabrus blatteus is a Red Sea endemic fairy wrasse reaching about 16 cm, feeding on zooplankton over reefs at 40-50 m.
- Deepwater Fairy Wrasse (Cirrhilabrus bathyphilus) Care GuideCirrhilabrus bathyphilus is a deepwater fairy wrasse from the Coral Sea, living on reefs as deep as 60-217 m.
- Girdled Fairy Wrasse (Cirrhilabrus balteatus) Care GuideCirrhilabrus balteatus is a marine fairy wrasse from the Marshall Islands, reaching about 10 cm and feeding on zooplankton over reefs.
- Springer's Damselfish (Chrysiptera springeri) Care GuideChrysiptera springeri is a small marine damselfish from the Western Pacific, reaching about 5.5 cm and living on reefs at 4-30 m.
- Ornate African Catfish (Chrysichthys ornatus) Care GuideChrysichthys ornatus is a freshwater claroteid catfish native to the Congo River basin in Central Africa, reaching about 25 cm.
- Harlequin Tuskfish Care GuideChoerodon fasciatus is a Western Pacific wrasse with orange-and-blue bars and prominent blue teeth, reaching about 30 cm.
- Chinese Algae Eater Care GuideGyrinocheilus aymonieri is a Southeast Asian algae grazer that becomes territorial with age and reaches up to 28 cm.
- Rubber Pleco Care GuideChaetostoma formosae is a Colombian rubbernose pleco from Orinoco piedmont streams that needs cool, well-oxygenated water.
- Vermiculated Angelfish Care GuideChaetodontoplus mesoleucus is a small Indo-West Pacific angelfish with a vermiculated pattern, reaching about 18 cm.
- Black Velvet Angelfish Care GuideChaetodontoplus melanosoma is an Indo-West Pacific angelfish with a dark body and yellow tail, reaching about 20 cm.
- Scribbled Angelfish Care GuideChaetodontoplus duboulayi is a marine angelfish from northern Australia and Indonesia, growing to about 28 cm.
- Butterfly Koi Care GuideButterfly koi are a long-finned breed of the common carp Cyprinus carpio, kept in large ponds and reaching 60-90 cm.
- Brichard's Congo Tetra Care GuideAlestopetersius brichardi is a small schooling African tetra from the Congo River basin, reaching about 8 cm.
- Zebra Shovelnose Catfish Care GuideBrachyplatystoma juruense is a large predatory catfish from the Amazon and Orinoco basins, reaching about 60 cm.
- Cuban Hogfish Care GuideBodianus pulchellus is a Western Atlantic reef wrasse with a red front and yellow rear, growing to about 28 cm.
- Mesothorax Hogfish Care GuideBodianus mesothorax is a Western Pacific and Indian Ocean reef wrasse with a sharp diagonal band dividing a dark front from a pale rear.
- Axilspot Hogfish Care GuideBodianus axillaris is an Indo-Pacific reef wrasse that changes dramatically with age, from black-and-white juveniles to dark adults with a w
- Lyretail Hogfish Care GuideBodianus anthioides is an Indo-Pacific reef wrasse with a lyre-shaped tail; juveniles act as cleaner fish.
- Blue Discus Care GuideSymphysodon aequifasciatus is the wild blue/brown discus of the eastern Amazon, a demanding warm-water cichlid kept in groups.
- Blue Diamond Discus Care GuideBlue Diamond Discus is a selectively bred solid-blue strain of Symphysodon, a demanding warm-water cichlid kept in groups.
- Blue Congo Tetra (Bathyaethiops greeni) Care GuideBathyaethiops greeni, the Green's moon tetra, is a peaceful schooling African characin from the middle Congo River basin.
- Blackwing Hatchetfish Care GuideCarnegiella marthae is a tiny, surface-dwelling South American hatchetfish that needs a tightly fitting lid and a group of its own kind.
- Black Mickey Mouse Platy Care GuideThe Black Mickey Mouse Platy is a selectively bred colour form of Xiphophorus maculatus, a peaceful, easy-to-keep livebearer.
- Black Ruby Barb Care GuidePethia nigrofasciata is a peaceful schooling barb endemic to Sri Lanka; spawning males turn a deep ruby-red.
- Black Molly Care GuideThe Black Molly is a solid-black, short-finned colour form of Poecilia sphenops, a hardy livebearer that needs hard, alkaline water.
- 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.
- Orinoco Eartheater (Biotodoma wavrini) Care GuideBiotodoma wavrini is a peaceful sand-sifting eartheater cichlid from the Rio Negro and Orinoco basins, suited to soft, warm blackwater tanks
- Greenstreak Eartheater (Biotodoma cupido) Care GuideBiotodoma cupido is a peaceful sand-sifting eartheater cichlid from the Amazon and Essequibo basins, suited to soft, warm community tanks.
- Krabi Mouthbrooder (Betta simplex) Care GuideBetta simplex is a mouthbrooding wild betta endemic to limestone springs near Krabi, Thailand, unusual for tolerating hard, alkaline water.