Species Profiles
2402 articles- Pixy Hawkfish (Cirrhitichthys oxycephalus) Care GuideCirrhitichthys oxycephalus is a widely distributed Indo-Pacific and Eastern Pacific hawkfish that perches on coral and preys on crustaceans
- Whitebar Dottyback (Pseudoplesiops typus) Care GuidePseudoplesiops typus is a small, cryptic Western Central Pacific dottyback that lives near coral heads on reef crests and lagoons.
- Striped Dottyback (Pseudochromis sankeyi) Care GuidePseudochromis sankeyi is a Red Sea and Gulf of Aden dottyback with horizontal dark stripes that lives in reef caves and forms colonies.
- Olive Dottyback (Pseudochromis olivaceus) Care GuidePseudochromis olivaceus is a Red Sea dottyback found among corals, the largest of the Red Sea Pseudochromis at up to 9 cm.
- Springer's Dottyback (Pseudochromis springeri) Care GuidePseudochromis springeri is a small Red Sea dottyback that lives among corals on lagoon and seaward reefs and is regularly bred in captivity.
- Magenta Dottyback (Pseudochromis porphyreus) Care GuidePseudochromis porphyreus is a Western Pacific dottyback with a solid bright purple body that hovers over coral and rubble on reef slopes.
- Sunrise Dottyback (Pseudochromis flavivertex) Care GuidePseudochromis flavivertex is a Red Sea dottyback with a yellow back grading to a blue belly, living over sandy bottoms near rocks and coral.
- Royal Dottyback (Pseudochromis paccagnellae) Care GuidePseudochromis paccagnellae is a small Western Pacific dottyback with a magenta front and yellow rear, known for its territorial temperament.
- Blue Assessor (Assessor macneilli) Care GuideAssessor macneilli is a small dark blue marine fish of the family Plesiopidae from the Western Pacific that lives in reef caves and swims up
- Yellow Assessor (Assessor flavissimus) Care GuideAssessor flavissimus is a small bright yellow marine fish of the family Plesiopidae from the Western Central Pacific that dwells under reef
- Marine Betta (Calloplesiops altivelis) Care GuideCalloplesiops altivelis, the comet or marine betta, is a nocturnal Indo-Pacific fish that mimics a moray eel when threatened.
- Bicolor Basslet (Lipogramma klayi) Care GuideLipogramma klayi is a tiny deep-water Western Atlantic basslet of steep reef slopes and walls, reaching only about 4 cm.
- Golden Headed Sleeper Goby Care GuideValenciennea strigata is an Indo-Pacific sand-sifting goby that feeds by passing mouthfuls of sand and forms monogamous burrow-guarding pair
- Imperial Tiger Hap (Protomelas) Care GuideProtomelas sp. "Steveni Imperial" is a Lake Malawi haplochromine trade form with blue-and-orange striped males, kept as a semi-aggressive op
- True Black Star Pleco L173 Care GuideHypancistrus sp. L173 is a sought-after Rio Xingu loricariid resembling a larger zebra pleco with wavy lines, a carnivore needing warm, soft
- King Tiger Pleco L066 Care GuideHypancistrus sp. L066 is a black-and-yellow Rio Xingu loricariid pleco (linked to Hypancistrus seideli), a cave-dwelling carnivore for warm,
- Thick-Skin Haplochromis Care GuideHaplochromis sp. "Thickskin" is an undescribed Lake Victoria haplochromine cichlid in the aquarium trade, a colourful semi-aggressive matern
- Lion's Cove Afra (Cynotilapia) Care GuideCynotilapia sp. "Lion's Cove" is an aquarium-trade location form of the Lake Malawi mbuna genus Cynotilapia, kept as a semi-aggressive rock-
- Venezuela Black Cory (Corydoras sp. CW084) Care GuideA dark, near-solid-black cory of the bronze (aeneus / venezuelanus) complex from Venezuelan coastal drainages, traded as Venezuela Black (CW
- CW051 Cory (Corydoras sp. CW051) Care GuideAn undescribed Corydoras from the upper Rio Negro traded as CW051 (Black-saddled / New Panda Cory), a peaceful sand-sifting shoaler for soft
- Super Schwartzi Cory (Corydoras sp. CW028) Care GuideAn undescribed Brazilian/Peruvian Corydoras with bold, near-continuous flank lines and white spines, traded as Super Schwartzi (CW028).
- Gold Similis Cory (Corydoras sp. CW021) Care GuideAn undescribed Corydoras of the similis / axelrodi complex traded as CW021 Gold Similis, a peaceful sand-sifting shoaler for soft-water comm
- Gold Laser / Orange Stripe Cory (Corydoras sp. CW010) Care GuideAn undescribed Peruvian Corydoras of the bronze (aeneus) group with a bright dorsal stripe, traded as CW010 Gold Laser, Gold Stripe or Orang
- Mamore Apisto (Apistogramma mamorensis) Care GuideA Bolivian dwarf cichlid trade form from the rio Mamore drainage, kept as a bottom-dwelling, semi-aggressive Apistogramma in soft, planted a
- Yellow Congo Tetra Care GuidePhenacogrammus aurantiacus is a small African tetra from the Congo and Ogooue basins, kept as a peaceful mid-water schooling fish.
- Veiltail Goldfish Care GuideThe Veiltail is a fancy ornamental strain of the goldfish (Carassius auratus) with a long, flowing double tail and a slow, delicate swimming
- Tropheus sp. "Ikola" Care GuideIkola geographic population of the Lake Tanganyika genus Tropheus, a herbivorous mouthbrooding cichlid that must be kept in a large colony.
- Tropheops 'Red Cheek' Care GuideTropheops sp. 'Red Cheek' is an undescribed Lake Malawi mbuna, an aggressive rock-dwelling algae grazer.
- 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
- 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.
- 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.
- 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.
- Red Turquoise Discus Care GuideThe Red Turquoise discus is a selectively bred colour strain of the genus Symphysodon, a soft, warm-water Amazonian cichlid.
- 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.
- Leopard Cactus Pleco L114 (Pseudacanthicus cf. leopardus) Care GuideThe L114 leopard cactus pleco (Pseudacanthicus cf. leopardus) is a large spiny loricariid from the rio Negro basin in Brazil.
- Pink Convict Cichlid (Amatitlania nigrofasciata) Care GuideThe Pink Convict is a leucistic captive strain of Amatitlania nigrofasciata, a hardy and highly territorial Central American cichlid that br
- Petrochromis sp. "Tricolor" Care GuidePetrochromis sp. "Tricolor" is an undescribed Lake Tanganyika cichlid; like its genus it is a rock-grazing, maternal mouthbrooder for large
- Pelvicachromis taeniatus "Lobé" Care GuideA Lobé River local form within the Pelvicachromis taeniatus complex from southern Cameroon; a soft-water cave-spawning dwarf cichlid.
- Nothobranchius furzeri Care GuideNothobranchius furzeri, the turquoise killifish, is an annual fish noted as the shortest-lived vertebrate kept in captivity and a model orga
- Marlboro Red Discus Care GuideMarlboro Red is a selectively bred solid-red discus strain of the genus Symphysodon, an Amazonian cichlid that needs warm, soft, acidic wate
- Lyretail Swordtail Care GuideThe Lyretail Swordtail is a selectively bred form of Xiphophorus hellerii, a livebearer of Mexico and Central America in which males bear a
- Common Loricaria (Loricaria simillima) Care GuideLoricaria simillima is a slender, peaceful South American whiptail catfish that requires soft sand, driftwood and clean water.
- Matumbi Hunter Care GuideLipochromis sp. "Matumbi Hunter" is a paedophagous haplochromine cichlid of Lake Victoria's Mwanza Gulf that preys on the broods of mouthbro
- Sultan Pleco (L264) Care GuideLeporacanthicus joselimai (L264) is a loricariid catfish endemic to the Tapajos River basin of Brazil, listed as Vulnerable by the IUCN.
- Leopard Discus Care GuideLeopard Discus is a selectively bred ornamental line of Symphysodon, a laterally compressed Amazonian cichlid that practises intensive bipar
- Snowball Pleco L201 Care GuideHypancistrus contradens (traded as L201) is a small loricariid catfish from the Orinoco basin in Venezuela, requiring caves and clean flowin
- Humpback Limia Care GuideLimia nigrofasciata is a small livebearer endemic to Lake Miragoâne in Haiti; mature males develop a humped back. IUCN lists it as Criticall
- Clarion Angel Care GuideHolacanthus clarionensis is a marine angelfish largely restricted to Mexico's Revillagigedo Islands, listed as Vulnerable by the IUCN.
- Sampa Catfish Care GuideHeterobranchus longifilis is a very large African air-breathing catfish of the family Clariidae, reaching up to 150 cm, mainly important in
- Banded Jewelfish Care GuideHemichromis fasciatus is a large predatory African jewel cichlid with five black side blotches, reaching over 25 cm and requiring a large, r