Species
Browsing 322 species. Use the filters below to narrow down.
Redtail Butterflyfish
FishChaetodon collare
A reef native that pairs for life but rarely forgives a rough transition to captivity.
Red-tailed Flag Tetra
FishHyphessobrycon agulha
A rare, peaceful tetra that anchors its entire species group by name.
Rio Napo cory
FishCorydoras napoensis
A tiny armored catfish from Ecuador that rewards patient keepers with decades of personality.
River Goby
FishAwaous banana
A sand-sifting river giant that grazes algae like an aquatic lawnmower.
Robusta Cory
FishCorydoras robustus
One of the largest corys around, rarely seen and worth the hunt.
Rohan's Barb
FishDawkinsia rohani
A lively schooling barb from the hill streams of southern India.
Rosy Tetra
FishHyphessobrycon bentosi
A rosy, fin-flaring little characin that puts on its best show in a crowd.
Rosy Tetra
FishHyphessobrycon rosaceus
A softly blushing schooling tetra that rewards keepers who think in groups.
Rummy Nose Tetra
FishHemigrammus bleheri
A tight-schooling tetra whose vivid red nose blazes brightest in a large group.
Rummy Nose Tetra
FishHemigrammus rhodostomus
The original rummy-nose, built for tight shoals and soft Amazon water.
Ryukin Goldfish
FishCarassius auratus var. ryukin
The hump-backed beauty of fancy goldfish keeping, built for cool, calm ponds and tanks.
Saddle Barb
FishBarbodes banksi
A rare Bornean barb with a distinctive wedge marking, seldom seen outside specialist circles.
Sailfin Molly
FishPoecilia velifera
The towering dorsal fin of this livebearer is a true showpiece when conditions are right.
Salmacis Cory
FishScleromystax salmacis
A tiny armored catfish from Brazilian ponds, with a venomous sting to respect.
Salt and Pepper Cory
FishCorydoras habrosus
A pint-sized armored catfish that breathes air and blinks at you.
Sands' cory
FishCorydoras davidsandsi
A rarely exported Rio Negro cory with a bold split dorsal bar and surprising longevity.
Santa cruz cory
FishCorydoras cruziensis
A tiny armored catfish from Bolivia with a gut that doubles as a lung.
Scarlet Livebearer
FishMicropoecilia picta
A pint-sized livebearer with a taste for brackish water and bold color.
Schwartz's Cory
FishCorydoras schwartzi
A long-lived, armored bottom dweller that genuinely thrives in good company.
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.
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.
Shy Cory
FishCorydoras gracilis
A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.
Silver Barbel
FishPareutropius longifilis
A shy but lively African schooling fish that thrives in numbers
Silver Tetra
FishGymnocorymbus bondi
A peaceful Orinoco schooler that's more interesting than its plain adult looks suggest.
Skunk clownfish
FishAmphiprion akallopisos
The pale skunk stripe makes this anemonefish one of the most recognizable in the ocean.
Skunk Corydoras
FishCorydoras arcuatus
A boldly striped little catfish that breathes air and moves in cheerful gangs.
Slender Rainbowfish
FishMelanotaenia gracilis
A rare, slender Australian rainbow from one of the continent's most remote river systems.
Smudge spot cory
FishCorydoras similis
A small armored catfish that breathes air and thrives in a lively group.
Snakeskin Barb
FishDesmopuntius rhomboocellatus
A peaceful Bornean barb that really comes alive in a proper-sized school.
Snyder's Barb
FishPuntius snyderi
Taiwan's little-known barb that rivals the golden barb in looks but rarely in fame.
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.
Splash Tetra
FishCopella arnoldi
The fish that leaps out of water to lay eggs on leaves above the surface.
Spotted Cory
FishCorydoras brevirostris
A tiny armored catfish with a surprisingly long lifespan and a talent for breathing air.