Species
Browsing 797 species. Use the filters below to narrow down.
Rosy Tetra
FishHyphessobrycon rosaceus
A softly blushing schooling tetra that rewards keepers who think in groups.
Royal Clown Loach
FishLeptobotia pellegrini
China's boldly patterned loach needs a group and robust tankmates to thrive.
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.
Sabanus Bumblebee Goby
FishBrachygobius sabanus
A tiny brackish goby with bold banding and a big territorial attitude.
Saddle Barb
FishBarbodes banksi
A rare Bornean barb with a distinctive wedge marking, seldom seen outside specialist circles.
Saddle Corydoras
FishCorydoras ephippifer
A rarely-seen Amazonian cory with clear fins and a surprisingly long lifespan.
Sailfin Pimeloid
FishLeiarius marmoratus
A massive schooling catfish with dramatic fins and a nocturnal personality.
Sailfin Tetra
FishCrenuchus spilurus
A solitary little predator with theatrical fin displays and devoted fathering instincts.
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.
Salween Barb
FishHampala salweenensis
A rare Salween barb that hunts by suction and needs to be kept in groups.
Salween Loach
FishAcanthocobitis zonalternans
A camouflaged Salween loach that thrives in groups and rewards patient keepers.
Sands' cory
FishCorydoras davidsandsi
A rarely exported Rio Negro cory with a bold split dorsal bar and surprising longevity.
Santa cruz cory
FishCorydoras cruziensis
A tiny armored catfish from Bolivia with a gut that doubles as a lung.
Sarasin's Minnow
FishOryzias sarasinorum
A rare Sulawesi ricefish with a truly bizarre egg-carrying trick
Sardine Cichlid
FishCyprichromis leptosoma
A mid-water schooling cichlid from Tanganyika with fascinating lekking behavior.
Savona Stone Loach
FishSchistura savona
A boldly barred Himalayan loach that holds its own in a community tank.
Schwartz's Cory
FishCorydoras schwartzi
A long-lived, armored bottom dweller that genuinely thrives in good company.
Scissortail Barb
FishRasbora rasbora
A large, peaceful schooling rasbora rarely seen outside specialist collections.
Scissortail Dartfish
FishPtereleotris evides
A graceful reef dartfish that hovers in open water and pairs for life.
Scissortail Rasbora
FishRasbora trilineata
The tail-flicking schooler that earns its name every time it rests.
Scooter Loach
FishBarbucca diabolica
A belly-crawling 'scooter' loach that rarely leaves the substrate.
Sergeant Major
FishAbudefduf saxatilis
Bold reef dweller with a notorious attitude that grows with age.
Serpae Tetra
FishHyphessobrycon eques
Fiery red schooler that turns fin-nipper when kept in too-small groups.
Seuss' cory
FishCorydoras seussi
A long-lived Bolivian cory that breathes air and rewards patient keepers.
Shacra Baril
FishBarilius shacra
A bold, fast-moving river cyprinid that needs equally robust tankmates to thrive.
Shalyni Barb
FishPethia shalynius
A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.
Shimoga Loach
FishNemachilichthys shimogensis
A rarely seen Indian stream loach that does best with a few of its own kind.
Shining Pencilfish
FishNannostomus nitidus
A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.
Short-lined Pyrrhulina
FishPyrrhulina brevis
A compact Amazonian predator with surprising personality for its size.
Shovel-nosed Catfish
FishSorubim lima
A head-down ambush predator that swims like a falling leaf among the roots.
Shy Cory
FishCorydoras gracilis
A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.
Siamese Flying Fox
FishCrossocheilus siamensis
A tireless algae grazer that earns its keep in planted tanks.