Species Profiles
2402 articles- Bluespine Unicornfish Care GuideNaso unicornis is a large Indo-Pacific unicornfish that develops a forehead horn and two blue caudal spines, feeding on coarse brown algae a
- Achilles Tang (Acanthurus achilles) Care GuideAcanthurus achilles is a dark Pacific surgeonfish with a bright orange teardrop that lives in wave-swept surge zones and is demanding in the
- Starck's Damsel Care GuideChrysiptera starcki is a deeper-water western Pacific damselfish, blue with a yellow dorsal stripe, relatively peaceful and reef-safe.
- Cinnamon Clownfish Care GuideAmphiprion melanopus, the cinnamon clownfish, is a hardy western Pacific anemonefish with a reddish body and a single white head bar. It is
- Mocha Storm Clownfish Care GuideThe Mocha Storm is a dark designer Amphiprion ocellaris bred from a Black Storm crossed with an orange ocellaris, released to hobbyists in 2
- Green Spotted Puffer (Dichotomyctere nigroviridis) Care GuideDichotomyctere nigroviridis is a green, black-spotted Asian puffer of coastal brackish to saltwater habitats, highly aggressive and best kep
- Green Pufferfish (Dichotomyctere fluviatilis) Care GuideDichotomyctere fluviatilis is a South and Southeast Asian puffer of fresh to slightly brackish rivers and estuaries, a carnivore feeding on
- Crested Dwarf Puffer (Carinotetraodon lorteti) Care GuideCarinotetraodon lorteti is a small Southeast Asian freshwater puffer; males are ruby-red with red eyes and larger than females.
- Congo Puffer (Tetraodon miurus) Care GuideTetraodon miurus is a small freshwater Congo puffer that buries in sand to ambush prey, with colour ranging from black to bright red.
- Atlantic Mudskipper (Periophthalmus barbarus) Care GuidePeriophthalmus barbarus is an amphibious West African goby that breathes air and skips across mudflats, needing a brackish paludarium with l
- Orange Chromide (Pseudetroplus maculatus) Care GuidePseudetroplus maculatus is a small Indo-Sri Lankan cichlid of fresh and brackish streams, suited to hard-water community tanks in groups.
- Spotted Scat (Scatophagus argus) Care GuideScatophagus argus is a diamond-shaped brackish fish with leopard-like spots that moves to marine conditions and has venomous spines.
- Wide-bar Datnoid (Datnioides quadrifasciatus) Care GuideDatnioides quadrifasciatus is a brackish tigerfish with broad dark bars on a golden background, hardy in slightly salty water and reaching a
- Channa asiatica Care GuideChanna asiatica is an East Asian snakehead that lacks pelvic fins, builds nests and tolerates very cool water across its Chinese range.
- Channa andrao (Rao's Dwarf Snakehead) Care GuideChanna andrao is a small dwarf snakehead described in 2013 from the Lefraguri swamp in West Bengal, India, and popular in the aquarium trade
- Ivantsoff's Blue-eye (Pseudomugil ivantsoffi) Care GuidePseudomugil ivantsoffi is a small blue-eye endemic to Western Papua, Indonesia, described in 1999 and assessed by the IUCN as Endangered.
- Paska's Blue-eye (Pseudomugil paskai) Care GuidePseudomugil paskai is a small blue-eye from rainforest creeks of the upper Fly River system in Papua New Guinea, assessed as Critically Enda
- Pacific Blue-eye (Pseudomugil signifer) Care GuidePseudomugil signifer is a small euryhaline blue-eye from eastern Australia, tolerating fresh, brackish and marine water across its range.
- Crimson-spotted Rainbowfish (Melanotaenia duboulayi) Care GuideMelanotaenia duboulayi is an Australian rainbowfish with iridescent green flanks and rows of crimson spots, a peaceful schooling fish for sp
- Ornate Ctenopoma (Microctenopoma ansorgii) Care GuideMicroctenopoma ansorgii is a small Congo-basin labyrinth fish with vertical bars and a peach belly, a peaceful bubble-nester for soft, shade
- Rubra Betta (Betta rubra) Care GuideBetta rubra is a small Sumatran mouthbrooding betta from disturbed peat-swamp blackwater, requiring soft, acidic conditions and dim, well-de
- Mahnert's Stone Loach Care GuideSchistura mahnerti is a patterned stone loach from the Salween basin in Thailand, an active, territorial bottom fish that needs caves and cu
- Borneo Sucker Loach Care GuidePseudogastromyzon are small flat hillstream loaches with sucker-like undersides that graze algae in fast Chinese streams and need strong flo
- Guntea Loach Care GuideLepidocephalichthys guntea is a hardy cobitid loach from southern Asia, a peaceful bottom-dwelling sand-sifter that reaches about 15 cm.
- Burmese Border Loach (Botia histrionica) Care GuideBotia histrionica is a patterned loach from Myanmar and adjacent regions, a peaceful active schooler for medium to large tanks.
- Siamese Algae Eater (Crossocheilus siamensis) Care GuideCrossocheilus siamensis is a slender cyprinid prized for eating hair and black brush algae, with a black stripe running into the tail.
- Six-banded Tiger Barb (Desmopuntius hexazona) Care GuideDesmopuntius hexazona is a small banded barb from blackwater peat swamps of Sumatra and the Malay Peninsula, kept as a peaceful soft-water s
- Long-fin Zebra Danio Care GuideA selectively bred long-finned form of the zebrafish; flowing fins make it a slower swimmer best kept away from fin-nippers.
- Danionella priapus Care GuideDanionella priapus is a translucent miniature cyprinid from India, where males bear a unique genital papilla between the pelvic fins.
- Axelrod's Blue Rasbora Care GuideSundadanio axelrodi is a tiny iridescent cyprinid from peat-swamp forests of the Greater Sunda Islands, requiring strict soft, acidic blackw
- Strawberry Rasbora Care GuideBoraras naevus is a tiny raspberry-pink micro-rasbora endemic to peninsular Thailand, suited to soft, acidic nano aquariums in large groups.
- Mato Grosso Tetra Care GuideHyphessobrycon sp. "Mato Grosso" is an undescribed tetra from the Mato Grosso region of Brazil, kept as a peaceful soft-water schooling fish
- Weitzman's Tetra Care GuideHyphessobrycon weitzmani is a small South American characin kept as a peaceful schooling tetra for soft-water, blackwater-style nano aquariu
- Colombian Red Fin Tetra Care GuideHyphessobrycon columbianus is a robust Colombian tetra with a metallic blue back and red fins, an active schooler best kept in larger groups
- Synodontis grandiops Care GuideSynodontis grandiops is a large-eyed squeaker catfish endemic to Lake Tanganyika, a peaceful bottom-dweller well suited to hard-water cichli
- Cordoba Bristlenose (L393) Care GuideAncistrus sp. L393 is an undescribed Cordoba bristlenose catfish of the family Loricariidae, a hardy South American algae grazer kept on dri
- Paraguay Bristlenose (L309) Care GuideAncistrus sp. L309 is a bristlenose pleco from the Rio Paraguay region; a peaceful, plant-safe algae-grazing loricariid for community tanks.
- Albino Sterbai Corydoras Care GuideA captive-bred albino form of Corydoras sterbai, Sterba's Cory; a peaceful schooling catfish from the Rio Guapore drainage kept in groups.
- Napo Corydoras Care GuideCorydoras napoensis is a small, peaceful schooling catfish from the western Amazon basin, best kept in groups of six or more on soft sand.
- Gold Nugget Pleco L081 (Baryancistrus sp. L081) Care GuideBaryancistrus sp. L081 is a black, yellow-spotted "gold nugget" pleco from the Rio Xingu; a herbivorous biofilm grazer needing a warm, spaci
- Amazon Twig Catfish (Farlowella amazonum) Care GuideFarlowella amazonum is a stick-mimicking loricariid twig catfish from the Amazon and Orinoco basins, a peaceful, plant-safe algae grazer nee
- Panamanian Whiptail (Sturisoma panamense) Care GuideSturisoma panamense is a slender loricariid whiptail from Panama and Colombia, a peaceful, plant-safe algae grazer reaching about 26 cm.
- L397 Panaqolus (Panaqolus sp. L397) Care GuidePanaqolus sp. L397 is a small banded wood-eating loricariid catfish from Brazil, well suited to community tanks built around driftwood.
- Titan Panaque L191 (Panaque sp. L191) Care GuidePanaque sp. L191 is a very large wood-eating loricariid catfish from Colombia, part of the group associated with the titan panaque.
- Blue-Eyed Panaque L240 (Panaque cochliodon) Care GuidePanaque cochliodon is a large jet-black wood-eating loricariid catfish endemic to the Cauca and Magdalena basins of Colombia, noted for blue
- Hypancistrus L411 (Hypancistrus sp. L411) Care GuideHypancistrus sp. L411 is a small Brazilian loricariid catfish with fine worm-line markings that requires a protein-rich, carnivorous diet.
- Super White Pleco L236 (Hypancistrus sp. L236) Care GuideHypancistrus sp. L236 is a small white-bodied loricariid catfish from the Rio Xingu in Brazil, kept by collectors for its variable patternin
- CW019 Long-Fin Gold Stripe Corydoras Care GuideCorydoras sp. CW019 is a peaceful, schooling Callichthyidae catfish kept on soft sand in groups. This guide covers tank setup, water paramet
- Horseman Corydoras Care GuideCorydoras eques is a colourful cory from the Amazon basin in Brazil, kept in peaceful schooling groups.
- Slate Corydoras Care GuideCorydoras concolor is a solid-coloured cory from the Orinoco basin, listed as Near Threatened by the IUCN.