Species
Browsing 1,329 species. Use the filters below to narrow down.
Honey Gourami
FishColisa lalia
A peaceful little labyrinth fish that puts on a show when romance is in the air.
Hoplo catfish
FishMegalechis picta
A mud-burrowing South American catfish that breathes air and builds bubble nests.
Horadandia
FishHoradandia atukorali
A tiny Sri Lankan schooler best kept with equally small, gentle tankmates.
Horned Armour Snail
InvertBrotia pagodula
A spiny, armored snail that rewards patience with fascinating behavior.
Horned Bannerfish
FishHeniochus chrysostomus
A bold-banded bannerfish with a dramatic dorsal fin and reef-roaming habits.
Horned Bannerfish
FishHeniochus varius
A deep-reef oddity with a hump, horns, and bold black-and-white contrast.
Horned Nerite Snail
InvertClithon corona
A tiny freshwater snail wearing a crown of unpredictable horns.
Hovering Zebra Loach
FishMicronemacheilus cruciatus
A tiny Vietnamese loach that hovers in midwater and thrives in groups
Hovering Zebra Loach
FishYunnanilus cruciatus
A tiny Vietnamese loach that hovers in open water, unlike most of its relatives.
Huber's Knife Livebearer
FishAlfaro huberi
A sleek Central American livebearer built for fast, clear currents.
Humpback Limia
FishLimia nigrofasciata
A livebearing oddity from Haiti with a distinctive fatty hump on mature males.
Imitator Cory
FishCorydoras imitator
A long-lived Rio Negro cory that schools with its color-alike cousins in the wild
Indawgyi Stream Catfish
FishAkysis prashadi
A pint-sized Myanmar catfish that vanishes into the sand, barbels first.
Indian Butterflyfish
FishChaetodon mitratus
A deep-reef butterflyfish from remote Indian Ocean islands, rarely seen in the wild or in tanks.
Indian Glassfish
FishChanda ranga
A ghostly glass fish from Asian rivers, delicate but endlessly fascinating.
Indian Glass Perch
FishParambassis ranga
A living x-ray fish whose transparent body reveals its skeleton and organs.
Indian Hatchet Fish
FishLaubuka laubuca
A schooling surface-dweller with a genuinely tangled identity across Asia.
Indian Maharaja Barb
FishPuntius sahyadriensis
A rare Indian hill-stream barb that truly shines when kept in a proper school.
Indian Ocean Bannerfish
FishHeniochus pleurotaenia
A rarely seen bannerfish that schools in impressive numbers across Indian Ocean reefs.
Indian Ricefish
FishOryzias dancena
A tiny, peaceful ricefish that carries its eggs like a living clutch before planting them.
Indian Sea Star
InvertFromia indica
A vivid reef sea star that's more forgiving than most of its relatives.
Indigo Barb
FishPethia setnai
A peaceful, school-loving barb from Goa's clear streams, perfect for community tanks.
Indigo Dartfish
FishPtereleotris heteroptera
A devoted reef pair that hovers gracefully above their shared burrow.
Irian Rainbowfish
FishMelanotaenia irianjaya
A rarely seen rainbowfish with an unusual fin shape that sets it apart from its cousins.
Iridescent Cardinalfish
FishPristiapogon kallopterus
A subtly shimmering cardinalfish that thrives where many marines struggle.
Irrawaddy Danio
FishDevario apogon
A tiny Irrawaddy danionin that hobbyists have barely had a chance to meet yet.
Isorineloricaria villarsi
FishSqualiforma villarsi
A rare Venezuelan pleco with surprising peaceful manners and air-breathing tricks.
Isthmian Priapella
FishPriapella intermedia
A sleek Mexican livebearer that leaps clear of the water to catch insects.
Jae Barb
FishBarbus jae
A tiny, jewel-toned African barb best kept in a species-focused setup
Jamaican Killifish
FishCubanichthys pengelleyi
A rare Jamaican killifish with clear-water roots and a reputation for challenging its keeper.
January Tetra
FishHemigrammus hyanuary
A peaceful little tetra that looks like a stretched head-and-tail light fish.
Japanese medaka
FishOryzias latipes
The first vertebrate to mate in space, now a rewarding nano fish for patient keepers.
Japanese Sea Nettle
InvertChrysaora pacifica
A striking open-water predator that demands a very specialized setup.
Java Fightingfish
FishBetta picta
A mild-mannered mouthbrooding betta that makes the whole genus look bad by comparison.
Jellybean Tetra
FishLepidarchus adonis
A tiny, transparent West African gem that rewards patient, detail-oriented keepers.
Jelly Bean Tetra
FishLadigesia roloffi
A tiny West African gem that thrives in groups and rewards patient keepers.