Species
Browsing 2,796 species. Use the filters below to narrow down.
Striped Tucunare
FishCichla temensis
A giant Amazonian predator that outgrows almost every home aquarium.
Striped Woodcat
FishTrachelyopterichthys taeniatus
A boldly patterned Amazonian catfish that thrives in community tanks.
Sturgeon Catfish
FishLamontichthys filamentosus
A whip-finned Amazonian catfish whose fin filaments can outgrow its own body.
Sturgeon Catfish
FishPlatystomatichthys sturio
A skittish Amazon catfish with a peculiar profile and surprising longevity.
Sucker catfish
FishOtocinclus flexilis
A tiny algae grazer from Brazil with a surprising trick up its sleeve.
Suckermouthed Catfish
FishHypostomus punctatus
A hardy Brazilian pleco that earns its keep cleaning up algae and debris.
Sulawesi Ricefish
FishOryzias eversi
A tiny Sulawesi ricefish with a fascinating pelvic-brooding trick.
Sulawesi Ricefish
FishOryzias wolasi
A tiny Sulawesi ricefish with glowing color and surprisingly easy breeding habits.
Sulphurhead
FishAulonocara maylandi maylandi
A gentle Malawi cichlid with a vivid yellow streak down its back.
Sultan Fish
FishLeptobarbus rubripinna
A giant barb sold small, with a wild reputation for getting 'drunk' on rainforest seeds.
Sumatran Mini Royal Loach
FishKottelatlimia pristes
A tiny blackwater loach from Borneo that punches above its weight in personality.
Sun-burst Soft Coral
CoralMalacacanthus capensis
A reef-safe South African coral that keeps things simple for newer keepers.
Sun Coral
CoralTubastraea coccinea
Brilliant orange polyps that only open at night. And demand to be fed.
Sun Loach
FishYasuhikotakia eos
A bold, clicking loach from fast Mekong rivers that demands respect and companions.
Sunray Zoanthid
CoralPalythoa heliodiscus
A hardy Pacific zoanthid that forgives beginner mistakes and rewards patient growers.
Sunset Cup Coral
CoralLeptopsammia pruvoti
A rare non-photosynthetic cup coral that thrives in low-light reef corners.
Sunshine Pleco
FishScobinancistrus aureatus
A bold, deep-bodied Xingu pleco that earns its place with personality to spare.
Sun Zoanthid
CoralPalythoa grandis
Bold colonial polyps from Costa Rica's reefs, forgiving enough for beginner reef tanks.
Super Convict
FishSchistura hypsiura
A mildly tempered stream loach with bold flank bars and a deeply forked tail.
Superficial Coral
CoralPsammocora profundacella
A low-profile encrusting coral with a wide range and understated charm.
Super Red
FishDawkinsia assimilis
A lively Indian barb with bold caudal markings and a real taste for open-water schooling.
Super Vc-10 Hap
FishPlacidochromis milomo
The Lake Malawi cichlid famous for its wild, oversized lips.
Swelling Coral
CoralLeptoseris incrustans
A low-maintenance encrusting coral that thrives where light barely reaches.
Swissguard Basslet
FishLiopropoma rubre
A boldly striped little basslet that stays hidden but rewards patient reef keepers.
Swollen-claw Mantis
InvertNeogonodactylus oerstedii
A compact, punchy reef predator with claws built for cracking and crushing.
Swollen-knob Candelabrum
CoralEunicea mammosa
A branching gorgonian with distinctively swollen polyp knobs and bold candelabra structure.
Sword-cheeked Tetra
FishCorynopoma riisei
An internal fertilizer with elaborate courtship tricks that most tetras can't match.
Swordtail
FishXiphophorus hellerii
The elongated tail sword makes males one of the most recognizable livebearers in the hobby.
Symbiotic Colonial Anemones
CoralParazoanthus brevitentacularis
A clinging colonial zoanthid that thrives in the shade of deeper reef zones.
Synodontis membranaceus
FishA large, deep-water African catfish built for serious species setups.
Synodontis polli
FishA rarely seen Tanganyikan catfish that pairs well with rift lake cichlids.
Table Coral
CoralAcropora cytherea
A reef architect that builds sweeping, table-like platforms across the upper slope.
Table Coral
CoralAcropora valenciennesi
A massive table-forming Acropora with bold, geometric branch architecture.
Tahiti Butterflyfish
FishChaetodon trichrous
A rarely seen Pacific butterflyfish from the islands of Tahiti.
Tail-spot Combtooth Blenny
FishEcsenius stigmatura
A tiny, perch-loving reef blenny with a bold spot and big personality.
Tailspot corydoras
FishCorydoras caudimaculatus
A tiny armored catfish with a bold tail spot and surprisingly long lifespan.