Species
Browsing 2,796 species. Use the filters below to narrow down.
Twig Catfish
FishFarlowella mariaelenae
A living twig that grazes algae and barely moves. Until it does.
Twig Catfish
FishFarlowella vittata
A living twig that vanishes in plain sight among branches and leaves.
Twoband Cichlid
FishVieja bifasciata
Two bold facial stripes mark this colorful, feisty Central American cichlid.
Two Banded Cichlid
FishTelmatochromis bifrenatus
A compact Tanganyikan rock-dweller with fascinating pair-bonding behavior.
Twobar Anemonefish
FishAmphiprion allardi
A bold, less-common clownfish from the Indian Ocean with classic two-bar markings.
Two-lined Dottyback
FishPseudochromis bitaeniatus
A reef crevice specialist with a sneaky mimicry trick up its sleeve.
Two-Lined Pencilfish
FishNannostomus bifasciatus
A schooling pencilfish that tilts nose-up and swims in tight, lively groups.
Two Spot Astyanax
FishAstyanax bimaculatus
A robust South American characin that rewards keepers willing to think big.
Two-spot basslet
FishPseudanthias bimaculatus
A vivid reef basslet with two bold spots that set it apart from the crowd.
Two-spot Bristletooth
FishCtenochaetus binotatus
A reef grazer with an unexpected role in the ciguatera food chain.
two-spot mystus
FishMystus bimaculatus
A tiny, peaceful Sumatran catfish that thrives in soft, acidic blackwater setups.
Two-spot Rasbora
FishRasbora elegans
A large, peaceful schooler with a bold two-spot pattern rarely seen in shops.
Two-striped Pencilfish
FishNannostomus digrammus
A rare, peaceful pencilfish that doubles as the perfect dither fish for dwarf cichlid tanks.
Ulrey's Tetra
FishHemigrammus ulreyi
A peaceful schooling tetra that's rarer in tanks than its charm deserves.
Umbrella Cichlid
FishApistogramma borellii
A gentle, cold-tolerant dwarf cichlid with big personality in a small package.
Umbrella Corallimorph
CoralDiscosoma neglecta
A hardy, low-maintenance mushroom coral perfect for shaded reef corners.
Upside-down Catfish
FishMystus leucophasis
An upside-down catfish from Myanmar that stays that way. And means business.
Upside-down Catfish
FishSynodontis nigrita
The Synodontis that outgrows its welcome. And gets mistaken for something else entirely.
Upside-down Catfish
FishSynodontis nigriventris
The catfish that flipped the script, spending most of its life swimming upside down.
Upsidedown Catfish
FishSynodontis batensoda
A large African catfish that genuinely swims upside down as its default mode.
Upside-Down Jellyfish
InvertCassiopea andromeda
Rests bell-down on the substrate, pulsing gently while algae do the work.
Urchin Clingfish
FishDiademichthys lineatus
Tiny reef clingfish that makes its home among sea urchin spines.
Urquisho
FishPyrrhulina laeta
A slender Amazonian predator that punches above its small size.
Utaka
FishCopadichromis borleyi
A peaceful Malawi cichlid that rewards patient keepers with vivid color morphs and fascinating breeding behavior.
Utaka
FishCopadichromis chrysonotus
A mid-water spawning Malawi cichlid that breeds in open water like no other Hap.
Utaka
FishCopadichromis ilesi
A peaceful Utaka cichlid from Lake Malawi with fascinating mouthbrooding behavior.
Utaka
FishCopadichromis mloto
A Lake Malawi schooling cichlid that breaks the solitary-male stereotype.
Vampire Fish
FishHydrolycus armatus
A river predator with fangs to match its reputation, and size to back it up.
Vampire Pleco
FishLeporacanthicus joselimai
Fanged river catfish with bold markings that fade into something more mysterious with age.
Vampire Shrimp
InvertAtya gabonensis
A peaceful giant that filter-feeds with fan-like hands instead of grazing.
Vanderbilt's Chromis
FishChromis vanderbilti
A small, shoaling Pacific damsel that's genuinely easy on beginners and neighbors alike.
Van Heurn's Rainbowfish
FishMelanotaenia vanheurni
A rarely seen New Guinea rainbowfish with a very limited wild range.
Variable Platyfish
FishXiphophorus variatus
Dozens of color forms, endless fry, and tolerant enough for any community tank.
Variable Soft Coral
CoralAlcyonium variabile
A hardy South African soft coral that tolerates beginner reef conditions well.
Vateria Flower Rasbora
FishRasboroides vaterifloris
A rare Sri Lankan gem that shimmers in red, orange, or yellow depending on where it hatched.
Veda / Meni
FishNandus nandus
A patient ambush predator from South Asia that punches above its weight at feeding time.