Species
Browsing 1,329 species. Use the filters below to narrow down.
Sarasin's Minnow
FishOryzias sarasinorum
A rare Sulawesi ricefish with a truly bizarre egg-carrying trick
Savona Stone Loach
FishSchistura savona
A boldly barred Himalayan loach that holds its own in a community tank.
Scaleless Killifish
FishAphanius asquamatus
A nearly scaleless relic from a single Turkish lake, built for dedicated keepers.
Scarlet-and-gold Star Coral
CoralBalanophyllia (Balanophyllia) regia
A brilliant cold-water coral that thrives in low light and modest flow.
Scarlet Badis
FishDario dario
Tiny Indian badid with iridescent blue bars and big personality in a nano tank.
Scarlet Livebearer
FishMicropoecilia picta
A pint-sized livebearer with a taste for brackish water and bold color.
Scarlet Reef Hermit Crab
InvertPaguristes cadenati
A tireless little reef cleaner with bold red legs and a peaceful disposition.
Scheeli Killifish
FishFundulopanchax scheeli
A gentle rainforest killifish that rewards patient, thoughtful aquascapers.
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 Blenny
FishSynchiropus ocellatus
A reef-floor hunter with detailed patterns and a surprisingly long lifespan.
Scooter Loach
FishBarbucca diabolica
A belly-crawling 'scooter' loach that rarely leaves the substrate.
Scott's Wrasse
FishCirrhilabrus scottorum
A brilliantly colored fairy wrasse that rewards patient, experienced reef keepers.
Scroll Coral
CoralAgaricia undata
A low-light Caribbean plate coral with elegant scrolling, layered growth.
Sea Fan
CoralPacifigorgia irene
A deep-color Eastern Pacific sea fan for high-flow reef displays.
Sea Pony
FishHippocampus fuscus
A monogamous, eelgrass-dwelling seahorse from the Indian Ocean with pair-bonding rituals.
Sea Walnut Comb Jelly
InvertMnemiopsis leidyi
A glowing, gelatinous predator that belongs in a very specialized setup.
Sebae Anemone
InvertHeteractis crispa
A large, long-tentacled anemone that hosts clownfish but demands strong light and stable water.
Serpae Tetra
FishHyphessobrycon eques
Fiery red schooler that turns fin-nipper when kept in too-small groups.
Serpent Coral
CoralPachyseris foliosa
Frilly, whorl-forming coral that brings sculptural elegance to protected reef displays.
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.
Sexy Shrimp
InvertThor amboinensis
Tiny reef shrimp with a wiggling rear end that never stops moving.
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.
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.
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.