Species
Browsing 2,303 species. Use the filters below to narrow down.
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.
Horse Face Loach
FishAcantopsis choirorhynchos
A burrowing, long-snouted loach that vanishes into the sand and rarely looks back.
Horseshoe-tailed Dottyback
FishPseudochromis tapeinosoma
A compact, crevice-loving dottyback with a wide Indo-Pacific range.
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.
Huanta Cory
FishCorydoras fowleri
A long-snouted cory with a feisty streak and surprisingly long lifespan.
Huber's Knife Livebearer
FishAlfaro huberi
A sleek Central American livebearer built for fast, clear currents.
Humbug Dascyllus
FishDascyllus aruanus
Bold black-and-white stripes with a personality to match. Reef tough.
Humpback Grouper
FishCromileptes altivelis
A boldly spotted predator that actually begs at the glass for food.
Humpback Limia
FishLimia nigrofasciata
A livebearing oddity from Haiti with a distinctive fatty hump on mature males.
Humpback Puffer
FishPao palembangensis
A freshwater puffer from Southeast Asia with serious teeth and serious attitude.
Hump-head
FishCyrtocara moorii
A big, blue, nuchal-humped cichlid that shadows bottom-sifters to steal their leftovers.
Ibanorum Betta
FishBetta ibanorum
A blackwater mouthbrooder from Borneo that rewards patient, dedicated keepers.
Imitator Cory
FishCorydoras imitator
A long-lived Rio Negro cory that schools with its color-alike cousins in the wild
Imperial White Collared Yellow Catfish
FishHorabagrus nigricollaris
A peaceful yellow catfish with a bold dark collar and a mouth to respect.
Inca
FishApistogramma baenschi
A beginner-friendly dwarf cichlid with big personality and bold crescent markings.
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 Chaca
FishChaca chaca
A living lure: the ambush catfish that fishes for its own dinner.
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 Hill Trout
FishBarilius bendelisis
A fast-moving hill stream fish that needs bold tankmates and plenty of room.
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.
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.
Indigo Hamlet
FishHypoplectrus indigo
A reef-dwelling hamlet with bold indigo patterning and a surprisingly easygoing nature.
Indochinese Needlefish
FishXenentodon canciloides
A freshwater needlefish that's calmer than its needle-filled grin suggests.
Indonesian Snakehead
FishChanna micropeltes
A genuinely massive predator that outgrows most home aquariums before you know it.
Indo-pacific Tarpon
FishMegalops cyprinoides
A prehistoric, air-breathing giant that bridges freshwater rivers and open ocean.
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.
Iridescent Killifish
FishAphanius mento
A feisty Middle Eastern killifish best kept as a conservation project.