Species
Browsing 787 species. Use the filters below to narrow down.
Northern Purplespotted Gudgeon
FishMogurnda mogurnda
A bold Australian bottom-dweller with real personality and surprising breeding behavior.
Northern Snakehead
FishChanna argus
A true apex predator that can survive days out of water. And is banned in many countries.
Ocellate Freshwater Stingray
FishPotamotrygon motoro
A disc-shaped apex predator that can learn to recognize its keeper.
Ocellifer Catfish
FishSynodontis ocellifer
A hardy West African catfish with bold spots and a long, distinctive adipose fin.
Ogre Catfish
FishAsterophysus batrachus
A gulper catfish that can swallow prey nearly twice its own size.
Olga
FishCorydoras simulatus
A rarely documented Colombian cory with a color pattern that keeps even experts guessing.
One-spot Eartheater
FishSatanoperca lilith
A rarely traded eartheater with a single bold flank spot and surprising social depth.
Onespot Squeaker
FishSynodontis notata
A daytime-active catfish with a bold personality to match its bold spot.
One-stripe Spiny Eel
FishMacrognathus aculeatus
A serpentine burrower with a single bold stripe and a secretive personality.
Orange-fin Stiphodon
FishStiphodon maculidorsalis
A tiny Indonesian stream goby with bold dorsal markings worth seeking out.
Orange Head
FishGeophagus sp. "Orange Head"
A vividly capped cichlid that rewards patient keepers with fascinating mouthbrooding family life.
Orchid Island Goby
FishRhinogobius lanyuensis
A tiny island goby from one of Taiwan's most remote corners.
Orinoco
FishAndinoacara sp. "Orinoco"
A mellow Orinoco cichlid that pairs easily and rewards patient breeders.
Orinoco sailfin catfish
FishPterygoplichthys multiradiatus
A dinosaur-sized algae grazer built for decades of service in large tanks.
Ornate Bichir
FishPolypterus ornatipinnis
An ancient, armored predator that breathes air and prowls the night.
Ornate Corydoras
FishCorydoras ornatus
A long-lived Tapajós bottom-dweller that thrives in sociable, peaceful groups.
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 Fat Sleeper
FishDormitator latifrons
A chunky estuarine predator that breathes air and swallows anything it can fit in its mouth.
Painted Sailfin Catfish
FishLeiarius pictus
A majestic sailfin catfish only suited to those with truly enormous tanks.
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.
Panamanian Eartheater
FishGeophagus crassilabris
A rare Panamanian cichlid with a reddish glow and fascinating sand-sifting habits.
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.
Pangio Loach
FishPangio pangia
A slender, burrowing loach from South Asian slow waters, peaceful and endlessly curious.
Pantanal Eartheater
FishSatanoperca pappaterra
A sand-sifting cichlid that fearlessly charges piranhas in the wild.
Panther Loach
FishAcanthocobitis pavonacea
A boldly patterned loach from northeast India that rarely appears in the trade.
Paradise Threadfin
FishPolynemus paradiseus
Feathery pectoral threads and calm grace from the rivers of South Asia.