Species
Browsing 2,796 species. Use the filters below to narrow down.
Pygmy Cory
FishCorydoras pygmaeus
Tiny catfish that defies expectations by schooling in open water, not just the bottom.
Pygmy Hatchetfish
FishCarnegiella myersi
Tiny, delicate, and built for the surface. The smallest hatchetfish of them all.
Pygmy Puffer
FishDichotomyctere ocellatus
A pint-sized puffer from Southeast Asia with a big predatory personality.
Pygmy Rasbora
FishBoraras maculatus
A pea-sized schooling fish that rewards patience with dazzling group displays.
Pygmy Swordtail
FishXiphophorus pygmaeus
A pint-sized livebearer with all the personality of its larger swordtail cousins.
Pyramid Butterflyfish
FishHemitaurichthys polylepis
A schooling butterflyfish that hovers in open water above reef drop-offs.
Pyramid Butterflyfish
FishHemitaurichthys zoster
A schooling butterfly that prefers open water over reef crevices.
Queen Angelfish
FishHolacanthus ciliaris
A regal Atlantic giant that demands space and earns every inch of it.
Queen Conch
InvertStrombus gigas
A gentle giant of the Caribbean, grazing its way across sandy reef flats.
Queen Danio
FishDevario regina
A bold, deep-bodied danionid that thrives in fast-moving company.
Queen loach
FishBotia dario
A boldly barred loach with a curved profile and a complex social life.
Queensland Lungfish
FishNeoceratodus forsteri
A living fossil that breathes air and may outlive its keeper by decades.
Rainbow Cichlid
FishHerotilapia multispinosa
A rare Central American cichlid that actually plays well with others.
Rainbowfish
FishMelanotaenia splendida inornata
A rainbowfish that takes patience to reward, but absolutely delivers on color.
Rainbow Land Crab
InvertCardisoma armatum
A boldly colored land crab that lives more on shore than in water.
Rainbow Shark
FishEpalzeorhynchos frenatus
A bold, territorial bottom-dweller with vivid red fins and a big personality.
Rainbow Snakehead
FishChanna bleheri
A rare snakehead small enough for a community tank, if you choose tankmates carefully.
Rainbow wrasse
FishHalichoeres iridis
A kaleidoscopic reef wrasse that shifts color as it matures.
Raja Betta
FishBetta raja
A wild Sumatran mouthbrooder with dramatic fins and a gentle personality.
Ranchu Goldfish
FishCarassius auratus var. ranchu
The roly-poly fancy goldfish bred to look like a swimming raspberry.
Randall's pistol shrimp
InvertAlpheus randalli
The symbiotic pistol shrimp that teams up with gobies to rule the sandbed
Randall's Prawn-goby
FishAmblyeleotris randalli
A reef sand-dweller that shares its burrow with a pistol shrimp partner.
Ranger Pleco
FishPterygoplichthys weberi
A hard-working algae grazer from Amazonian headwaters with a remarkable breathing trick.
Raphael catfish
FishPlatydoras costatus
A bold-striped catfish that grunts, buries itself, and eats almost anything.
Raspy River Stingray
FishPotamotrygon scobina
A rare freshwater ray that often gets misidentified and mis-sold in the trade.
Rathbun's Dwarf Cup Coral
CoralAstrangia rathbuni
A small Western Atlantic coral with CITES-protected status and genuine reef credentials.
Red-backed Paradisefish
FishMacropodus erythropterus
A rarely traded Vietnamese paradisefish with red fins and a complex identity
Red Badis
FishBadis ruber
A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.
Red Barred Killi
FishAphyosemion elberti
A small, manageable killifish with bold markings from Central African stream systems.
Red-bellied Pacu
FishPiaractus brachypomus
A fruit-eating giant that outgrows nearly every home aquarium.
Red-bellied Piranha
FishPygocentrus nattereri
The world's most notorious fish, and surprisingly misunderstood in the wild.
Redbelly Tilapia
FishTilapia zillii
A tank-busting herbivore that will devour your plants and ask for more.
Redbreast Acara
FishLaetacara dorsigera
A tiny South American cichlid with a boldly colored chest and a gentle personality.
Redclaw Crayfish
InvertCherax quadricarinatus
A bold, fast-growing Australian crayfish with vivid red claw markings on the males.
Red Coral
CoralCorallium rubrum
The legendary red coral of the Mediterranean, prized for centuries.
Red Dead Men's Fingers
CoralAlcyonium glomeratum
A temperate soft coral that brings bold red color to cold-water reef setups.