Species
Browsing 1,911 species. Use the filters below to narrow down.
Sebae Clownfish
FishAmphiprion sebae
A bold, territorial clownfish that pairs best with one specific anemone host.
Sergeant Major
FishAbudefduf saxatilis
Bold reef dweller with a notorious attitude that grows with age.
Serian Borneo sucker
FishGastromyzon scitulus
A tiny Bornean torrent-dweller that clings to rocks and grazes algae in miniature rapids.
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.
Sevenband Butterflyfish
FishChaetodon punctatofasciatus
A boldly patterned reef butterfly that pairs for life and rarely strays far from coral.
Seven-spot Archerfish
FishToxotes chatareus
A sharpshooter that hunts insects by spitting jets of water at overhanging branches.
Severum
FishHeros efasciatus
A gentle giant of the Amazon that plays surprisingly well with others.
Severum
FishHeros severus
A large, easygoing cichlid with personality to spare and a surprisingly gentle nature.
Shadow Catfish
FishHyalobagrus flavus
A tiny, sociable catfish that actually swims in the open. And has a fish that mimics it.
Shalyni Barb
FishPethia shalynius
A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.
Sharknose goby
FishElacatinus evelynae
A tiny Caribbean cleaner fish that services sharks and rays without hesitation.
Sharksucker
FishEcheneis naucrates
The fish that hitchhikes on sharks, and occasionally tries to attach to divers.
Sharp-nosed Gourami
FishSphaerichthys acrostoma
A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.
Sheepshead Pupfish
FishCyprinodon variegatus
A tough little pupfish that thrives where most fish would struggle to survive.
Shell-dweller
FishLamprologus meleagris
A tiny shell-brooding cichlid with a surprisingly big attitude.
Shell-dweller
FishNeolamprologus similis
Tiny shell-dwelling cichlid with a ferocious personality well above its size.
Shell Dweller
FishLamprologus kungweensis
A tiny Lake Tanganyika shell brooder that digs its own burrow network.
Shell-dwelling Cichlid
FishNeolamprologus brevis
A pint-sized Tanganyikan cichlid that treats a snail shell like a fortress
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.
Shortfin Molly
FishPoecilia mexicana
The wild ancestor of the molly we all know, built for tough conditions.
Shortfin Tandan
FishNeosilurus brevidorsalis
A compact Australian bottom-dweller that earns its keep in a peaceful community tank.
Short-lined Pyrrhulina
FishPyrrhulina brevis
A compact Amazonian predator with surprising personality for its size.
Shortnose Gar
FishLepisosteus oculatus
A living fossil built for ambush, not the average home aquarium.
Shovel-nosed Catfish
FishSorubim lima
A head-down ambush predator that swims like a falling leaf among the roots.
Shubunkin Goldfish
FishCarassius auratus var. shubunkin
A calico-patterned pond fish built for decades of companionship.
Shy Cory
FishCorydoras gracilis
A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.
Siamese Algae Eater
FishCrossocheilus oblongus
The algae eater that actually eats algae, including the tough stuff other fish ignore.
Siamese Badis
FishBadis siamensis
A rare Thai cave-spawner with detailed patterning and fascinating paternal instincts.
Siamese Flying Fox
FishCrossocheilus siamensis
A tireless algae grazer that earns its keep in planted tanks.
Siamese Mud Carp
FishGymnostomus siamensis
A plain silver river wanderer that follows the floods across Southeast Asia.
Sidestripe rasbora
FishRasbora paviana
A peaceful, stripe-sided stream fish that thrives in groups and suits most community tanks.
Silver Arawana
FishOsteoglossum bicirrhosum
An ancient, leaping predator that quickly outgrows almost every home aquarium.
Silver Barbel
FishPareutropius longifilis
A shy but lively African schooling fish that thrives in numbers
Silver Croaker
FishPlagioscion squamosissimus
A riverside predator built like a torpedo, surprisingly manageable for its size.