Species
Browsing 2,303 species. Use the filters below to narrow down.
Slender Betta
FishBetta bellica
A slender peat swamp betta that rewards patient, thoughtful keepers
Slender Danio
FishBrachydanio aesculapii
A tiny, patterned danio from an isolated mountain range few fishkeepers know about.
Slender Danio
FishBrachydanio sp. "TW01"
A lively Myanmarese danio with a bold caudal peduncle mark and plenty of personality.
Slender Danio
FishBrachydanio tinwini
A tiny, spot-patterned danio from a single Myanmar stream.
Slender Danios
FishBrachydanio feegradei
A lively schooling danio from Myanmar's isolated western mountains.
Slender Danios
FishBrachydanio kyathit
A small Burmese danio with variable patterning that keeps hobbyists guessing.
Slender Danios
FishBrachydanio sp. "Hikari"
A peaceful schooler from Myanmar with a taxonomic twist hiding in its stripes.
Slender Hemiodus
FishHemiodus gracilis
A fast-moving Amazon schooler that thrives in large, active biotope communities.
Slender Lungfish
FishProtopterus dolloi
A living fossil that breathes air and can crawl across dry land.
Slender Piranha
FishSerrasalmus elongatus
A sleek, solitary predator that's one of the easiest piranhas to identify correctly.
Slender Rainbowfish
FishMelanotaenia gracilis
A rare, slender Australian rainbow from one of the continent's most remote river systems.
Slender Tail Hap
FishBuccochromis lepturus
A rarely seen Lake Malawi predator that hunts juvenile cichlids on sandy flats.
Slimy Loach
FishPangio myersi
A social, eel-like loach that piles into hiding spots with its companions.
Slippery Dick
FishHalichoeres bivittatus
A bold, fast-moving wrasse that earns its unforgettable name.
Slobbering Catfish
FishBrachyplatystoma platynemum
A rarely-seen Amazonian giant named for its unusually thick, drooping barbels.
Smallfin Fighter
FishBetta miniopinna
A tiny, dark peat-swamp Betta with vivid red pelvic fins and a gentle nature.
Smallscale Archerfish
FishToxotes microlepis
The freshwater archer that hunts insects by spitting water with sniper precision.
Smokey Glass Catfish
FishKryptopterus cryptopterus
A ghostly schooling catfish that disappears against the current
Smudge spot cory
FishCorydoras similis
A small armored catfish that breathes air and thrives in a lively group.
Snail-crusher Hap
FishTrematocranus placodon
A snail-crushing Lake Malawi hap with a specialist trick most cichlids lack.
Snakehead Betta
FishBetta channoides
A tiny, peaceful mouthbrooder from Borneo's blackwater forest streams.
Snakeskin Barb
FishDesmopuntius rhomboocellatus
A peaceful Bornean barb that really comes alive in a proper-sized school.
Snake-skin Gourami
FishTrichopodus pectoralis
A big, peaceful gourami with wild origins in the flooded forests of Southeast Asia.
Snakeskin Gourami
FishTrichogaster pectoralis
A gentle giant gourami that thrives where few fish could survive.
Snowball Pleco
FishBaryancistrus sp. "L142"
A boldly spotted Amazonian pleco that gets feisty as it grows up.
Snowball Pleco
FishHypancistrus inspector
Bold spotted pleco from Venezuelan rapids, compact enough for a mid-size tank.
Snowflake Blenny
FishSalarias ramosus
A personable reef grazer with bold patterning and surprising air-breathing ability.
Snowflake Eel
FishEchidna nebulosa
A crustacean-crushing moray that coexists peacefully with fish tankmates.
Snyder's Barb
FishPuntius snyderi
Taiwan's little-known barb that rivals the golden barb in looks but rarely in fame.
Social Fairy Wrasse
FishCirrhilabrus rubriventralis
A jewel-toned Red Sea wrasse that dances through the water column in groups.
Sohal Tang
FishAcanthurus sohal
A bold Red Sea beauty that rules its territory with zero tolerance for rivals.
Soldier Lionfish
FishPterois miles
A bold, venomous reef predator wearing its warning in every fin.
Somphongs's Rasbora
FishTrigonostigma somphongsi
One of the rarest aquarium fish alive, rescued from the edge of extinction.
Sorong Rainbowfish
FishMelanotaenia fredericki
A compact Indonesian rainbowfish with vivid color that rewards attentive keepers.
South American Lungfish
FishLepidosiren paradoxa
A living fossil that breathes air, crawls on fins, and outlives most pets.
Southern Purple Spotted Gudgeon
FishMogurnda adspersa
A rare Australian native where the male does all the parenting. And most of the bossing around.