Species
Browsing 192 species. Use the filters below to narrow down.
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.
Sabanus Bumblebee Goby
FishBrachygobius sabanus
A tiny brackish goby with bold banding and a big territorial attitude.
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.
Salween Barb
FishHampala salweenensis
A rare Salween barb that hunts by suction and needs to be kept in groups.
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.
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.
Shining Pencilfish
FishNannostomus nitidus
A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.
Shovel-nosed Catfish
FishSorubim lima
A head-down ambush predator that swims like a falling leaf among the roots.
Silver Hatchetfish
FishGasteropelecus sternicla
A surface-skimming acrobat that leaps to catch insects mid-air.
Silver-tipped Tetra
FishHasemania nana
A glittering, lively little tetra that plays well with almost everyone.
Six-eyed Tetra
FishPhenacogaster tegatus
The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.
Skunk Loach
FishYasuhikotakia morleti
A feisty, burrowing loach with complex social behavior and a bold personality.
Slimy Loach
FishPangio myersi
A social, eel-like loach that piles into hiding spots with its companions.
Smokey Glass Catfish
FishKryptopterus cryptopterus
A ghostly schooling catfish that disappears against the current
Southern Sennet
FishSphyraena picudilla
A sleek Atlantic predator that schools in impressive numbers near the surface.
Spotted Barb
FishBarbodes binotatus
A wide-ranging Asian barb with a surprisingly variable spotted pattern.
Spotted Hampala Barb
FishHampala dispar
A fast-moving Mekong predator that stays manageable enough for a large community tank.
Spotted Hatchetfish
FishGasteropelecus levis
A surface-hugging jumper with a deep keel and surprisingly peaceful nature.
Spotted Hatchetfish
FishGasteropelecus maculatus
A surface-skimming South American oddity that can genuinely leap out of your tank.
Spotted Pike-characin
FishBoulengerella maculata
A sleek Amazonian predator that rewards careful tank planning with genuine personality.
Stocky Anthias
FishPseudanthias hypselosoma
A robust, gregarious anthias that thrives in calmer reef lagoons across the Indo-Pacific.
Strawberry Rasbora
FishBoraras naevus
A thumbnail-sized Thai rasbora with bold body blotches and big personality in groups.
Striped Eel Catfish
FishPlotosus lineatus
The only catfish that calls coral reefs home, and it comes armed.
Striped Hill Trout
FishBarilius barna
A bold, fast-moving hill stream schooler that keeps its tankmates on their toes.
Striped Pike-characin
FishBoulengerella lateristriga
A torpedo-shaped Amazonian predator that schools when young and hunts when older.
Sumatran Mini Royal Loach
FishKottelatlimia pristes
A tiny blackwater loach from Borneo that punches above its weight in personality.
Sunshine Rasbora
FishRasbora lacrimula
A tiny Bornean rasbora with a teardrop tail spot and big personality in a school.
Tetra Toucan
FishTucanoichthys tucano
A pint-sized Amazonian rarity that rewards patient, specialist keepers.
Thai Ricefish
FishOryzias songkhramensis
A tiny Thai ricefish with a fascinating breeding style and peaceful nature.
Threadfin Anthias
FishNemanthias carberryi
A schooling reef anthias that holds its own unless bullied by tankmates.
Tigerfish
FishHydrocynus vittatus
Razor-toothed river predator that hunts in packs and outgrows almost any tank.
Tri Band Sumo Loach
FishSchistura balteata
A cave-claiming loach with bold banding and strong opinions about its territory.