Species
Browsing 1,903 species. Use the filters below to narrow down.
Iridescent Killifish
FishAphanius mento
A feisty Middle Eastern killifish best kept as a conservation project.
Irrawaddy Danio
FishDevario apogon
A tiny Irrawaddy danionin that hobbyists have barely had a chance to meet yet.
Isabelita Pleco
FishHypancistrus debilittera
A compact, cave-dwelling pleco with a big attitude toward its own kind.
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.
Jack Dempsey
FishRocio octofasciata
A bold, brawling cichlid named after a boxing legend for good reason.
Jae Barb
FishBarbus jae
A tiny, jewel-toned African barb best kept in a species-focused setup
Jaguar Catfish
FishLiosomadoras oncinus
A boldly patterned nocturnal catfish that fiercely guards its chosen hideout.
Jaguar Cichlid
FishParachromis managuensis
A bold, personable predator that owns every tank it inhabits.
Jaguar Guapote
FishParachromis motaguensis
A bold Central American predator that holds its own against anything in the tank.
Jaguar Loach
FishYasuhikotakia splendida
A rare Mekong loach with bold spots, yellow fins, and fascinating social rituals.
Jaintia Hills
FishDario kajal
Tiny scarlet predator from India's hill streams, big on attitude.
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.
Java Barb
FishBarbonymus gonionotus
A large, active schooling barb that needs space and robust tank companions.
Java Combtail
FishBelontia hasselti
A large, territorial labyrinth fish that rewards patient, experienced keepers.
Javaen Barb
FishSystomus orphoides
A boisterous, patterned barb that needs bold tankmates and room to roam.
Java Fern
PlantMicrosorum pteropus
A tough, adaptable fern that thrives even when most plants would give up.
Java Fern
PlantMicrosorum pteropus 'Narrow'
A slender-leaved Java fern variety that attaches itself to wood and stone.
Java Fightingfish
FishBetta picta
A mild-mannered mouthbrooding betta that makes the whole genus look bad by comparison.
Java Moss
PlantTaxiphyllum barbieri
The toughest, most versatile moss in the freshwater hobby.
Javan Ricefish
FishOryzias javanicus
A surface-dwelling ricefish with surprisingly complex spawning behavior, rarely seen for sale.
Jello Band Catfish
FishAguarunichthys torosus
A powerfully built Peruvian catfish that treats smaller tankmates as a meal.
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.
Jerdon's Baril
FishBarilius canarensis
A bold, fast-moving schooler from Indian hill streams that needs equally spirited tankmates.
Jerdon's carp
FishHypselobarbus jerdoni
A rare, river-schooling giant from the Western Ghats, seldom seen in the hobby.
Jewel Cichlid
FishHemichromis bimaculatus
Gorgeous West African cichlid that becomes a ferocious defender once paired up.
Jonklaas's Loach
FishLepidocephalichthys jonklaasi
A rare Sri Lankan loach hidden beneath leaf litter, seldom seen in the hobby.
Julii Cory
FishCorydoras julii
A spotted little catfish that blinks, breathes air, and belongs in every peaceful community.
Julii Cory
FishCorydoras trilineatus
Commonly sold as julii cory, this peaceful armored catfish is a beginner-friendly gem.
Jumbie Teta
FishAncistrus cf cirrhosus
The bristlenose catfish: a compact, algae-grazing workhorse with a face only a hobbyist could love.
Jumbo Cory
FishCorydoras multiradiatus
A large, long-snouted cory with a fascinating air-breathing trick up its sleeve.
Jutai
FishApistogramma sp. "Kelleri"
A mouthbrooding dwarf cichlid with a remarkably flexible approach to raising its young.
Kabili Bumblebee Goby
FishBrachygobius kabiliensis
Tiny bumblebee-patterned goby from Borneo's mangroves, surprisingly manageable for new keepers.