Species
Browsing 498 species. Use the filters below to narrow down.
Opsarius ardens
FishBarilius ardens
A fast-moving Western Ghats minnow that needs space, speed, and bold companions.
Orange-fin Barb
FishBarbus eutaenia
A sleek African barb from fast, rocky streams that rewards patient keepers.
Orchid Dottyback
FishPseudochromis fridmani
A bold little Red Sea endemic that punches well above its weight.
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.
Pacific Double-saddle Butterflyfish
FishChaetodon ulietensis
A boldly patterned butterflyfish that pairs for life in the wild.
Pajama cardinalfish
FishSphaeramia nematoptera
Polka dots, bold racing stripe, and calm enough for any peaceful community reef.
Panda Barb
FishHaludaria melanampyx
A lively hill-stream barb from India's Western Ghats with a two-tone shimmer.
Patrick's Acara
FishAequidens patricki
A rarely traded Peruvian cichlid with a feisty personality and serious collector appeal.
Payara
FishHydrolycus scomberoides
Vampire-fanged characin that's surprisingly peaceful with fish too big to eat.
Peaceful Betta
FishBetta imbellis
The gentler betta. Males can sometimes share a tank if given enough cover.
Peacock wrasse
FishCirrhilabrus temminckii
A dazzling fairy wrasse with flowing fins that commands attention in any reef tank.
Pearl Gourami
FishTrichopodus leerii
One of the gentlest gouramis, draped in a galaxy of pearlescent spots.
Pearl Gourami
FishTrichogaster leeri
A lace-patterned gourami with feeler fins and a gentle disposition.
Pearl Robber
FishMicralestes stormsi
A lively Congo basin shoaler that brings energy to the mid-water column.
Pearlscale Angelfish
FishCentropyge vrolikii
A small, reef-dwelling angel that pairs for life and plays it cool with tankmates.
Penang Betta
FishBetta pugnax
A forest stream betta with a gentler side and fascinating mouthbrooding behavior.
Pencilfish
FishNannostomus grandis
The largest pencilfish, rarely seen but worth the search.
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.
Pentazona Barb
FishDesmopuntius hexazona
A dainty six-banded barb that thrives in big, lively groups
Peppermint Pikehead Gourami
FishLuciocephalus aura
A Sumatran swamp predator that breathes air and strikes with lightning speed.
Phantom Headstander
FishCharax condei
A secretive little predator that sneaks into shipments of other characins.
Picasso Triggerfish
FishRhinecanthus aculeatus
A bold reef rearanger that sleeps on its side and makes noise when startled.
Pike Cichlid
FishCrenicichla lepidota
A torpedo-shaped predator that brings serious personality to a South American biotope.
Pike Cichlid
FishCrenicichla lugubris
A deceptively pretty juvenile that grows into a large, predatory tank-buster.
Pikehead
FishLuciocephalus pulcher
A pike-like gourami relative from blackwater forests, built for ambush.
Pindani
FishPseudotropheus socolofi
One of the calmer mbuna, but still needs its own rules respected.
Pink Flasher
FishParacheilinus carpenteri
A tiny reef wrasse that puts on a dazzling courtship flash of pink and blue.
Pinktailed Characin
FishChalceus macrolepidotus
A fast-moving, surface-skimming predator with oversized scales and a vivid pink tail.
Plain Cardinalfish
FishApogon atricaudus
A secretive Pacific reef cardinalfish that comes alive after dark.
Pontian Betta
FishBetta pulchra
A secretive peat swamp betta that broods its young in the father's mouth.
Pot-bellied Seahorse
FishHippocampus abdominalis
The largest seahorse species, with a comically round belly to match its personality.
Potter's angelfish
FishCentropyge potteri
Hawaii's own pygmy angel, beautiful but notoriously tricky to settle in.
Pure Utaka
FishCopadichromis virginalis
A peaceable Lake Malawi cichlid that comes in a rainbow of locality color forms.