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Species

Browsing 1,903 species. Use the filters below to narrow down.

Iridescent Killifish

Iridescent Killifish

Fish

Aphanius mento

A feisty Middle Eastern killifish best kept as a conservation project.

Irrawaddy Danio

Irrawaddy Danio

Fish

Devario apogon

A tiny Irrawaddy danionin that hobbyists have barely had a chance to meet yet.

Isabelita Pleco

Isabelita Pleco

Fish

Hypancistrus debilittera

A compact, cave-dwelling pleco with a big attitude toward its own kind.

Isorineloricaria villarsi

Isorineloricaria villarsi

Fish

Squaliforma villarsi

A rare Venezuelan pleco with surprising peaceful manners and air-breathing tricks.

Isthmian Priapella

Isthmian Priapella

Fish

Priapella intermedia

A sleek Mexican livebearer that leaps clear of the water to catch insects.

Jack Dempsey

Jack Dempsey

Fish

Rocio octofasciata

A bold, brawling cichlid named after a boxing legend for good reason.

Jae Barb

Jae Barb

Fish

Barbus jae

A tiny, jewel-toned African barb best kept in a species-focused setup

Jaguar Catfish

Jaguar Catfish

Fish

Liosomadoras oncinus

A boldly patterned nocturnal catfish that fiercely guards its chosen hideout.

Jaguar Cichlid

Jaguar Cichlid

Fish

Parachromis managuensis

A bold, personable predator that owns every tank it inhabits.

Jaguar Guapote

Jaguar Guapote

Fish

Parachromis motaguensis

A bold Central American predator that holds its own against anything in the tank.

Jaguar Loach

Jaguar Loach

Fish

Yasuhikotakia splendida

A rare Mekong loach with bold spots, yellow fins, and fascinating social rituals.

Jaintia Hills

Jaintia Hills

Fish

Dario kajal

Tiny scarlet predator from India's hill streams, big on attitude.

Jamaican Killifish

Jamaican Killifish

Fish

Cubanichthys pengelleyi

A rare Jamaican killifish with clear-water roots and a reputation for challenging its keeper.

January Tetra

January Tetra

Fish

Hemigrammus hyanuary

A peaceful little tetra that looks like a stretched head-and-tail light fish.

Japanese medaka

Japanese medaka

Fish

Oryzias latipes

The first vertebrate to mate in space, now a rewarding nano fish for patient keepers.

Java Barb

Java Barb

Fish

Barbonymus gonionotus

A large, active schooling barb that needs space and robust tank companions.

Java Combtail

Java Combtail

Fish

Belontia hasselti

A large, territorial labyrinth fish that rewards patient, experienced keepers.

Javaen Barb

Javaen Barb

Fish

Systomus orphoides

A boisterous, patterned barb that needs bold tankmates and room to roam.

Java Fern

Java Fern

Plant

Microsorum pteropus

A tough, adaptable fern that thrives even when most plants would give up.

Java Fern

Java Fern

Plant

Microsorum pteropus 'Narrow'

A slender-leaved Java fern variety that attaches itself to wood and stone.

Java Fightingfish

Java Fightingfish

Fish

Betta picta

A mild-mannered mouthbrooding betta that makes the whole genus look bad by comparison.

Java Moss

Java Moss

Plant

Taxiphyllum barbieri

The toughest, most versatile moss in the freshwater hobby.

Javan Ricefish

Javan Ricefish

Fish

Oryzias javanicus

A surface-dwelling ricefish with surprisingly complex spawning behavior, rarely seen for sale.

Jello Band Catfish

Jello Band Catfish

Fish

Aguarunichthys torosus

A powerfully built Peruvian catfish that treats smaller tankmates as a meal.

Jellybean Tetra

Jellybean Tetra

Fish

Lepidarchus adonis

A tiny, transparent West African gem that rewards patient, detail-oriented keepers.

Jelly Bean Tetra

Jelly Bean Tetra

Fish

Ladigesia roloffi

A tiny West African gem that thrives in groups and rewards patient keepers.

Jerdon's Baril

Jerdon's Baril

Fish

Barilius canarensis

A bold, fast-moving schooler from Indian hill streams that needs equally spirited tankmates.

Jerdon's carp

Jerdon's carp

Fish

Hypselobarbus jerdoni

A rare, river-schooling giant from the Western Ghats, seldom seen in the hobby.

Jewel Cichlid

Jewel Cichlid

Fish

Hemichromis bimaculatus

Gorgeous West African cichlid that becomes a ferocious defender once paired up.

Jonklaas's Loach

Jonklaas's Loach

Fish

Lepidocephalichthys jonklaasi

A rare Sri Lankan loach hidden beneath leaf litter, seldom seen in the hobby.

Julii Cory

Julii Cory

Fish

Corydoras julii

A spotted little catfish that blinks, breathes air, and belongs in every peaceful community.

Julii Cory

Julii Cory

Fish

Corydoras trilineatus

Commonly sold as julii cory, this peaceful armored catfish is a beginner-friendly gem.

Jumbie Teta

Jumbie Teta

Fish

Ancistrus cf cirrhosus

The bristlenose catfish: a compact, algae-grazing workhorse with a face only a hobbyist could love.

Jumbo Cory

Jumbo Cory

Fish

Corydoras multiradiatus

A large, long-snouted cory with a fascinating air-breathing trick up its sleeve.

Jutai

Jutai

Fish

Apistogramma sp. "Kelleri"

A mouthbrooding dwarf cichlid with a remarkably flexible approach to raising its young.

Kabili Bumblebee Goby

Kabili Bumblebee Goby

Fish

Brachygobius kabiliensis

Tiny bumblebee-patterned goby from Borneo's mangroves, surprisingly manageable for new keepers.