Species
Browsing 2,303 species. Use the filters below to narrow down.
Ornate Paradisefish
FishMalpulutta kretseri
A rare Sri Lankan gem that deserves a species tank all to itself.
Ornate rainbowfish
FishRhadinocentrus ornatus
A tiny Australian rainbowfish from wild, tea-stained wallum streams.
Oscar
FishAstronotus ocellatus
The cichlid that recognizes your face and rearranges its own tank.
Otjikoto Tilapia
FishTilapia guinasana
A critically endangered sinkhole cichlid with wild color variation and devoted parental care.
Otocinclus
FishOtocinclus vittatus
Tiny algae-grazing catfish that plasters itself to glass and plants alike.
Otocinclus affinis
FishMacrotocinclus affinis
Tiny Brazilian algae-eater with a habit of resting right on the front glass.
Otocinclus Catfish (Tank-Bred)
FishOtocinclus macrospilus
The most commonly sold oto, fragile at first but rewarding once settled.
Otocinclus cocama
FishA tiny Peruvian algae grazer with bold, zebra-like blotches and a gentle disposition.
Oyapock Cory
FishCorydoras condiscipulus
A long-lived Oyapock armored catfish that breathes air and blinks its eyes.
Oyapock Eartheater
FishGeophagus camopiensis
A rarely seen eartheater with elaborate mouthbrooding behavior and real personality.
Pacific Double-saddle Butterflyfish
FishChaetodon ulietensis
A boldly patterned butterflyfish that pairs for life in the wild.
Pacific Fat Sleeper
FishDormitator latifrons
A chunky estuarine predator that breathes air and swallows anything it can fit in its mouth.
Pacific Molly
FishPoecilia butleri
A personable little livebearer that grazes algae and practically eats from your hand.
Pacific Seahorse
FishHippocampus procerus
A tall-crowned Pacific seahorse that rewards patient, attentive keepers.
Pacu
FishPiaractus mesopotamicus
A seed-crunching giant from South American floodplains that outgrows almost any home aquarium.
Painted Frogfish
FishAntennarius pictus
A master of disguise that hunts with a built-in fishing rod.
Painted Sailfin Catfish
FishLeiarius pictus
A majestic sailfin catfish only suited to those with truly enormous tanks.
Pajama cardinalfish
FishSphaeramia nematoptera
Polka dots, bold racing stripe, and calm enough for any peaceful community reef.
Palauan Riffle Goby
FishStiphodon pelewensis
A tiny riffle-dweller that vanishes into the sand when startled.
Palespotted Corydoras
FishCorydoras gossei
A long-lived, peaceful bottom dweller that breathes air and blinks its eyes.
Palmqvist's Nothobranch
FishNothobranchius palmqvisti
A brilliantly colored killifish that lives fast in seasonal African pools.
Panamanian Eartheater
FishGeophagus crassilabris
A rare Panamanian cichlid with a reddish glow and fascinating sand-sifting habits.
Panda Barb
FishHaludaria melanampyx
A lively hill-stream barb from India's Western Ghats with a two-tone shimmer.
Panda Clownfish
FishAmphiprion polymnus
A boldly patterned clownfish with a preference for sandy, silty homes.
Panda Cory
FishCorydoras panda
The panda-patterned cory that's as personable as it is peaceful.
Panda Dwarf Cichlid
FishApistogramma nijsseni
A panda-patterned dwarf cichlid with fierce maternal instincts and blackwater roots.
Panda Garra
FishGarra flavatra
A boldly patterned Burmese stream fish that's part algae grazer, part personality.
Panda Loach
FishYaoshania pachychilus
Bold panda stripes as a juvenile, but adults fade to something far subtler.
Panda Uaru
FishUaru fernandezyepezi
A rare Orinoco cichlid that few hobbyists ever get to keep.
Pangio Loach
FishPangio pangia
A slender, burrowing loach from South Asian slow waters, peaceful and endlessly curious.
Pangusia Labeo
FishLabeo pangusia
A large, fast-water river fish that earns its keep as an algae grazer.
Pantanal Eartheater
FishSatanoperca pappaterra
A sand-sifting cichlid that fearlessly charges piranhas in the wild.
Pantano Cichlid
FishHerichthys pearsei
A surprisingly gentle giant from Mexican and Guatemalan river systems.
Panther Loach
FishAcanthocobitis pavonacea
A boldly patterned loach from northeast India that rarely appears in the trade.
Panther Puffer
FishTakifugu pardalis
A boldly patterned marine puffer with a personality bigger than its tank.
Paper Scorpionfish
FishTaenianotus triacanthus
A reef ambush predator that spends its days pretending to be a dead leaf.