Species
Browsing 317 species. Use the filters below to narrow down.
Red-spotted Killi
FishAphyosemion cognatum
A compact, colorful killi that's surprisingly gentle on beginner patience.
Red-tailed Flag Tetra
FishHyphessobrycon agulha
A rare, peaceful tetra that anchors its entire species group by name.
Redtail Notho
FishNothobranchius guentheri
A jewel-bright killifish that lives fast, dies young, and leaves drought-proof eggs.
Reticulated Hillstream Loach
FishSewellia lineolata
A bold hillstream loach with bold patterning and surprisingly easy breeding.
Rio Napo cory
FishCorydoras napoensis
A tiny armored catfish from Ecuador that rewards patient keepers with decades of personality.
Rocket Panchax
FishPseudepiplatys annulatus
A tiny West African killifish with bold bands and surprisingly shy habits.
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.
Ruby Tetra
FishAxelrodi riesei
A tiny red gem from Colombia that rewards patient, species-focused keepers.
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.
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.
Scaleless Killifish
FishAphanius asquamatus
A nearly scaleless relic from a single Turkish lake, built for dedicated keepers.
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.
Serpae Tetra
FishHyphessobrycon eques
Fiery red schooler that turns fin-nipper when kept in too-small groups.
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.
Shining Pencilfish
FishNannostomus nitidus
A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.
Shy Cory
FishCorydoras gracilis
A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.
Silver Hatchetfish
FishGasteropelecus sternicla
A surface-skimming acrobat that leaps to catch insects mid-air.
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-eyed Tetra
FishPhenacogaster tegatus
The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.
Skunk Cleaner Shrimp
InvertLysmata amboinensis
The reef's tiny cleaning crew, grooming fish who line up for the service.
Smallfin Fighter
FishBetta miniopinna
A tiny, dark peat-swamp Betta with vivid red pelvic fins and a gentle nature.
Smudge spot cory
FishCorydoras similis
A small armored catfish that breathes air and thrives in a lively group.
Splash Tetra
FishCopella arnoldi
The fish that leaps out of water to lay eggs on leaves above the surface.
Splash Tetra
FishCopella carsevennensis
A tiny surface-dweller with one of the most acrobatic spawning rituals in freshwater fishkeeping.
Splendid Killifish
FishAphanius splendens
A rare Turkish killifish relative worth keeping for conservation as much as curiosity.
Spotted Cory
FishCorydoras brevirostris
A tiny armored catfish with a surprisingly long lifespan and a talent for breathing air.
Spotted Hatchetfish
FishGasteropelecus levis
A surface-hugging jumper with a deep keel and surprisingly peaceful nature.
Spotted Hillstream Loach
FishSewellia speciosa
A spotted hillstream loach that's feisty, fascinating, and surprisingly easy to breed.