Species
Browsing 294 species. Use the filters below to narrow down.
Redeye Puffer
FishCarinotetraodon lorteti
A tiny puffer with dramatic color-changing ability and surprisingly long lifespan.
Redflank Bloodfin
FishAphyocharax rathbuni
A fin-nipping schooler that rewards careful community planning with lively, colorful energy.
Redline
FishDevario assamensis
A rare, deep-bodied danionid from Assam with vivid lateral striping and restless energy.
Red Lyretail Swordtail
FishXiphophorus helleri
A selectively bred swordtail with a ruffled dorsal fin and deep crimson color throughout.
Red Rainbowfish
FishGlossolepis incisus
A deep-bodied red rainbow that rewards group keeping with dazzling male displays.
Red Side Barb
FishPuntius bimaculatus
A peaceful, active schooler from South Asian streams with a vivid red flanks in males.
Red-striped Rainbowfish
FishMelanotaenia splendida rubrostriata
A slow-burning rainbowfish that rewards patient keepers with spectacular adult color.
Red-tail Tinfoil Barb
FishBarbonymus altus
A bold, active schooling barb that quickly outgrows most home aquariums.
Red Terror
FishCichlasoma festae
A massive, fierce Ecuadorian cichlid that will eat anything it can fit in its mouth.
Roseline Shark
FishSahyadria denisonii
The endangered Indian torpedo barb with a vivid red-and-black racing stripe
Ryukin Goldfish
FishCarassius auratus var. ryukin
The hump-backed beauty of fancy goldfish keeping, built for cool, calm ponds and tanks.
Sailfin Molly
FishPoecilia latipinna
The male's enormous sail-like dorsal fin makes this livebearer instantly recognizable.
Sailfin Molly
FishPoecilia velifera
The towering dorsal fin of this livebearer is a true showpiece when conditions are right.
Salween Barb
FishHampala salweenensis
A rare Salween barb that hunts by suction and needs to be kept in groups.
Severum
FishHeros severus
A large, easygoing cichlid with personality to spare and a surprisingly gentle nature.
Sheep Pacu
FishAcnodon normani
A compact pacu with tiger stripes and a bad habit of snacking on scales.
Shortfin Molly
FishPoecilia mexicana
The wild ancestor of the molly we all know, built for tough conditions.
Shubunkin Goldfish
FishCarassius auratus var. shubunkin
A calico-patterned pond fish built for decades of companionship.
Siamese Algae Eater
FishCrossocheilus langei
The real Siamese algae eater is harder to identify than you'd think.
Siamese Algae Eater
FishCrossocheilus siamensisis
The genuine algae-eating workhorse that actually earns its keep in a planted tank.
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 Mylossoma
FishMylossoma duriventre
A deep-bodied South American schooler that belongs in serious, large setups.
Silver Tetra
FishGymnocorymbus bondi
A peaceful Orinoco schooler that's more interesting than its plain adult looks suggest.
Silver-tipped Tetra
FishHasemania nana
A glittering, lively little tetra that plays well with almost everyone.
Six-banded Distichodus
FishDistichodus sexfasciatus
A boldly striped river giant that outgrows most aquariums and most owners' expectations.
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 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 Tail Hap
FishBuccochromis lepturus
A rarely seen Lake Malawi predator that hunts juvenile cichlids on sandy flats.
Snake-skin Gourami
FishTrichopodus pectoralis
A big, peaceful gourami with wild origins in the flooded forests of Southeast Asia.
Sorong Rainbowfish
FishMelanotaenia fredericki
A compact Indonesian rainbowfish with vivid color that rewards attentive keepers.
Spot-tail
FishBrycinus imberi
A wide-ranging African schooler that brings energy and size to larger tanks.
Spottail Killifish
FishHeterandria bimaculata
A bold Central American livebearer with attitude to match its size.