Species
Browsing 641 species. Use the filters below to narrow down.
Queen loach
FishBotia dario
A boldly barred loach with a curved profile and a complex social life.
Rainbow Snakehead
FishChanna bleheri
A rare snakehead small enough for a community tank, if you choose tankmates carefully.
Randall's pistol shrimp
InvertAlpheus randalli
The symbiotic pistol shrimp that teams up with gobies to rule the sandbed
Raspy River Stingray
FishPotamotrygon scobina
A rare freshwater ray that often gets misidentified and mis-sold in the trade.
Red Badis
FishBadis ruber
A secretive cave-spawning micro-predator with fascinating breeding behavior and bold flank markings.
Red-bellied Piranha
FishPygocentrus nattereri
The world's most notorious fish, and surprisingly misunderstood in the wild.
Red Devil
FishAmphilophus labiatus
A notoriously aggressive cichlid that somehow also becomes your best friend.
Redeye Piranha
FishSerrasalmus rhombeus
A solitary, powerfully-jawed predator best kept as a single specimen by dedicated keepers.
Redeye Puffer
FishCarinotetraodon lorteti
A tiny puffer with dramatic color-changing ability and surprisingly long lifespan.
Redfin Pickerel
FishEsox americanus americanus
A pint-sized ambush predator that turns patience into a hunting superpower.
Redfin River Barb
FishCyclocheilichthys janthochir
A rarely imported Bornean cyprinid with vivid red fin markings and a gregarious personality.
Red Peacock
FishAulonocara hansbaenschi
A peacock cichlid from southern Malawi with fiery coloration and manageable temperament.
Red Pencilfish
FishNannostomus mortenthaleri
A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.
Red-spotted Copeina
FishCopella eigenmanni
A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.
Redspotted Panchax
FishEpiplatys lamottei
A West African surface killifish dressed in red spots and dark bars.
Red-tailed Freshwater Barracuda, Spotted Cachorro
FishAcestrorhynchus falcatus
A pike-like ambush predator that minds its manners with fish it can't swallow.
Redtail Notho
FishNothobranchius guentheri
A jewel-bright killifish that lives fast, dies young, and leaves drought-proof eggs.
Red Terror
FishCichlasoma festae
A massive, fierce Ecuadorian cichlid that will eat anything it can fit in its mouth.
Red Wolf Fish
FishErythrinus erythrinus
A bold, air-breathing predator that mimics killifish as a juvenile to lure prey
Reedfish
FishErpetoichthys calabaricus
A living fossil with an eel-like body and a lineage older than the dinosaurs.
Reticulate Freshwater Stingray
FishPotamotrygon orbignyi
A manageable freshwater ray for those ready to step up to serious specialist keeping.
Rice Eel or Rice Field Eel
FishMonopterus albus
A land-crossing, air-breathing swamp predator that isn't actually an eel at all.
Ripsaw Catfish
FishMegalodoras uranoscopus
A gentle giant catfish from the Amazon that travels in groups and growls.
Rocket Panchax
FishPseudepiplatys annulatus
A tiny West African killifish with bold bands and surprisingly shy habits.
Rosette River Stingray
FishPotamotrygon schroederi
A rare, patterned freshwater ray that demands respect and serious commitment.
Rostratus
FishFossorochromis rostratus
The sand-diving Lake Malawi cichlid that buries itself when spooked.
Rosy Basketmouth
FishCaquetaia spectabilis
A bold Amazonian cichlid that pairs for life and defends its brood fiercely.
Rotpunct Apisto
FishApistogramma alacrina
A pint-sized Colombian dwarf cichlid with a uniquely spotted pectoral fin base.
Round-tailed Paradise Fish
FishMacropodus ocellatus
A cold-hardy labyrinth fish that stays active even under ice.
Royal Clown Loach
FishLeptobotia pellegrini
China's boldly patterned loach needs a group and robust tankmates to thrive.
Royal Featherback
FishChitala blanci
A massive Mekong predator that will outgrow almost any home aquarium.
Ruby Tetra
FishAxelrodi riesei
A tiny red gem from Colombia that rewards patient, species-focused keepers.
Sabanus Bumblebee Goby
FishBrachygobius sabanus
A tiny brackish goby with bold banding and a big territorial attitude.
Saddled Bichir
FishPolypterus endlicheri
A prehistoric African predator that breathes air and grows to impressive lengths.
Saddled Bichir
FishPolypterus endlicheri endlicheri
A living fossil that can breathe air and survive out of water.
Sailfin Pimeloid
FishLeiarius marmoratus
A massive schooling catfish with dramatic fins and a nocturnal personality.