Species
Browsing 2,796 species. Use the filters below to narrow down.
Royal Whiptail
FishSturisoma festivum
A sleek, whiskered algae grazer from the Maracaibo basin with a surprising trick up its sleeve.
Ruby Sea Dragon
FishPhyllopteryx dewysea
A rose-red sea dragon hiding in the deep, only discovered this century.
Ruby Tetra
FishAxelrodi riesei
A tiny red gem from Colombia that rewards patient, species-focused keepers.
Rummy Nose Tetra
FishHemigrammus bleheri
A tight-schooling tetra whose vivid red nose blazes brightest in a large group.
Rummy Nose Tetra
FishHemigrammus rhodostomus
The original rummy-nose, built for tight shoals and soft Amazon water.
Rusty Angelfish
FishCentropyge ferrugata
A compact, reef-dwelling dwarf angel with rich rusty coloring and bold personality.
Ryukin Goldfish
FishCarassius auratus var. ryukin
The hump-backed beauty of fancy goldfish keeping, built for cool, calm ponds and tanks.
Sabanus Bumblebee Goby
FishBrachygobius sabanus
A tiny brackish goby with bold banding and a big territorial attitude.
Saddleback Acara
FishAequidens tetramerus
A wide-ranging South American cichlid with vivid locality color forms worth hunting down.
Saddle Barb
FishBarbodes banksi
A rare Bornean barb with a distinctive wedge marking, seldom seen outside specialist circles.
Saddle Butterflyfish
FishChaetodon ephippium
A boldly patterned butterflyfish with a dramatic dark saddle across its back.
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.
Saffron Coral
CoralPorites sverdrupi
A rare Gulf of California endemic with finger-like branches and warm saffron tones.
Sailfin Molly
FishPoecilia latipinna
The male's enormous sail-like dorsal fin makes this livebearer instantly recognizable.
Sailfin Molly
FishPoecilia velifera
The towering dorsal fin of this livebearer is a true showpiece when conditions are right.
Sailfin Pimeloid
FishLeiarius marmoratus
A massive schooling catfish with dramatic fins and a nocturnal personality.
Sailfin Pleco
FishGlyptoperichthys gibbiceps
A decades-long commitment: this armored giant lives longer than most pets.
sailfin tang
FishZebrasoma veliferum
A reef tang that unfurls its fins like a sail when threatened or showing off.
Sailfin Tang
FishZebrasoma velifer
Those enormous fins aren't just for show. They mean business.
Sailfin Tetra
FishCrenuchus spilurus
A solitary little predator with theatrical fin displays and devoted fathering instincts.
Sakaramy Killifish
FishPachypanchax sakaramyi
A montane Malagasy killifish that's gentler than most of its relatives
Sally Lightfoot crab
InvertPercnon gibbesi
A lightning-fast reef crab that never seems to hold still for long.
Salmacis Cory
FishScleromystax salmacis
A tiny armored catfish from Brazilian ponds, with a venomous sting to respect.
Salmon Catfish
FishNeoarius leptaspis
A mouthbrooding giant catfish that travels from rivers to the sea.
Salt and Pepper Cory
FishCorydoras habrosus
A pint-sized armored catfish that breathes air and blinks at you.
Salvin's Cichlid
FishCichlasoma salvini
Colorful, compact, and surprisingly ferocious. A Central American cichlid with real attitude.
Salween Loach
FishAcanthocobitis zonalternans
A camouflaged Salween loach that thrives in groups and rewards patient keepers.
Sambia
FishNeolamprologus sexfasciatus
A boldly striped Tanganyikan predator that demands respect from tankmates and keeper alike.
San Domingo Cichlid
FishThorichthys callolepis
A lesser-known Mexican cichlid from swift, rocky headwaters worth a closer look.
Sands' cory
FishCorydoras davidsandsi
A rarely exported Rio Negro cory with a bold split dorsal bar and surprising longevity.
Sand-sifting Goby
FishAmblygobius rainfordi
A sand-sifting goby that thrives in reef flats across the wide Western Pacific.
San Francisco Piranha
FishPygocentrus piraya
The largest piranha, and the one that earns the reputation others borrow.
Santa cruz cory
FishCorydoras cruziensis
A tiny armored catfish from Bolivia with a gut that doubles as a lung.
Sarabia Cichlid
FishParaneetroplus bulleri
A hardy Mexican cichlid built for fast currents and long-term companionship.
Sarasin's Goby
FishMugilogobius sarasinorum
A rare Sulawesi lake goby found nowhere else on Earth.