Species
Browsing 808 species. Use the filters below to narrow down.
Orange-fin Barb
FishBarbus eutaenia
A sleek African barb from fast, rocky streams that rewards patient keepers.
Orangefin Tetra
FishBryconops affinis
A restless, fast-moving shoaler from the Guiana Shield's coastal streams.
Orange Head
FishGeophagus sp. "Orange Head"
A vividly capped cichlid that rewards patient keepers with fascinating mouthbrooding family life.
Orangespine Unicornfish
FishNaso elegans
A bold reef grazer with vivid orange tail spines and a distinctly regal profile.
Orangespot Surgeonfish
FishAcanthurus olivaceus
A bold orange shoulder-stripe makes this reef surgeon impossible to mistake.
Orinoco Tetra
FishHemigrammus barrigonae
A rare Orinoco tetra that rewards patient keepers willing to seek it out.
Ornate Corydoras
FishCorydoras ornatus
A long-lived Tapajós bottom-dweller that thrives in sociable, peaceful groups.
Ornate rainbowfish
FishRhadinocentrus ornatus
A tiny Australian rainbowfish from wild, tea-stained wallum streams.
Otocinclus
FishOtocinclus vittatus
Tiny algae-grazing catfish that plasters itself to glass and plants alike.
Otocinclus Catfish (Tank-Bred)
FishOtocinclus macrospilus
The most commonly sold oto, fragile at first but rewarding once settled.
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.
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.
Panda Barb
FishHaludaria melanampyx
A lively hill-stream barb from India's Western Ghats with a two-tone shimmer.
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.
Papuan Rainbowfish
FishMelanotaenia papuae
A compact rainbowfish from Port Moresby's jungle streams, peaceful and full of personality.
Parkinson's Rainbowfish
FishMelanotaenia parkinsoni
A Papua New Guinea gem that rewards patient keepers with spectacular adult color.
Parnaíba Eartheater
FishGeophagus parnaibae
A sand-sifting cichlid from Brazil that's gentler than its reputation suggests.
Pastaza Corydora
FishCorydoras pastazensis
A long-lived Ecuadorian armored catfish with a fascinating air-breathing trick.
Peach Fairy Basslet
FishPseudanthias dispar
A schooling reef beauty that brings the open ocean's energy to your tank.
Peacock Loach
FishLepidocephalichthys annandalei
A rare loach with peacock-patterned tail fins, seldom seen in the trade.
Pearl Danio
FishDanio albolineatus
A shimmering, active schooler that thrives in community tanks with minimal fuss.
Pearl Robber
FishMicralestes stormsi
A lively Congo basin shoaler that brings energy to the mid-water column.
Pencilfish
FishNannostomus minimus
Tiny, timid, and barely an inch long. A pencilfish for the dedicated nano keeper.
Penguin Fish
FishThayeria obliqua
The original penguin tetra, now overshadowed by its more common cousin.
Penguin Flying Fox
FishCrossocheilus nigriloba
The 'penguin flying fox' whose bold stripe breaks into spots under stress
Pentazona Barb
FishDesmopuntius hexazona
A dainty six-banded barb that thrives in big, lively groups
Pentazona Barb
FishDesmopuntius pentazona
The rarely genuine pentazona barb. Most sold are actually its twin species.
Peppered Cory
FishCorydoras paleatus
Hardy, armored, and social. A true workhorse of the community tank.
Peru black cory
FishCorydoras semiaquilus
A long-lived Amazonian bottom-dweller with a surprisingly expressive face.
Peruvian Tetra
FishHyphessobrycon peruvianus
A slender Upper Amazon tetra often misidentified but worth tracking down properly.
Pethia sharmai
FishPuntius sharmai
A tiny, rarely exported Indian barb best appreciated in a species-focused nano setup.
Petracini's cory
FishCorydoras petracinii
A tiny Argentine cory built for rocky currents, rarely if ever seen in the hobby.