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Species

Browsing 2,796 species. Use the filters below to narrow down.

Twig Catfish

Twig Catfish

Fish

Farlowella mariaelenae

A living twig that grazes algae and barely moves. Until it does.

Twig Catfish

Twig Catfish

Fish

Farlowella vittata

A living twig that vanishes in plain sight among branches and leaves.

Twoband Cichlid

Twoband Cichlid

Fish

Vieja bifasciata

Two bold facial stripes mark this colorful, feisty Central American cichlid.

Two Banded Cichlid

Two Banded Cichlid

Fish

Telmatochromis bifrenatus

A compact Tanganyikan rock-dweller with fascinating pair-bonding behavior.

Twobar Anemonefish

Twobar Anemonefish

Fish

Amphiprion allardi

A bold, less-common clownfish from the Indian Ocean with classic two-bar markings.

Two-lined Dottyback

Two-lined Dottyback

Fish

Pseudochromis bitaeniatus

A reef crevice specialist with a sneaky mimicry trick up its sleeve.

Two-Lined Pencilfish

Two-Lined Pencilfish

Fish

Nannostomus bifasciatus

A schooling pencilfish that tilts nose-up and swims in tight, lively groups.

Two Spot Astyanax

Two Spot Astyanax

Fish

Astyanax bimaculatus

A robust South American characin that rewards keepers willing to think big.

Two-spot basslet

Two-spot basslet

Fish

Pseudanthias bimaculatus

A vivid reef basslet with two bold spots that set it apart from the crowd.

Two-spot Bristletooth

Two-spot Bristletooth

Fish

Ctenochaetus binotatus

A reef grazer with an unexpected role in the ciguatera food chain.

two-spot mystus

two-spot mystus

Fish

Mystus bimaculatus

A tiny, peaceful Sumatran catfish that thrives in soft, acidic blackwater setups.

Two-spot Rasbora

Two-spot Rasbora

Fish

Rasbora elegans

A large, peaceful schooler with a bold two-spot pattern rarely seen in shops.

Two-striped Pencilfish

Two-striped Pencilfish

Fish

Nannostomus digrammus

A rare, peaceful pencilfish that doubles as the perfect dither fish for dwarf cichlid tanks.

Ulrey's Tetra

Ulrey's Tetra

Fish

Hemigrammus ulreyi

A peaceful schooling tetra that's rarer in tanks than its charm deserves.

Umbrella Cichlid

Umbrella Cichlid

Fish

Apistogramma borellii

A gentle, cold-tolerant dwarf cichlid with big personality in a small package.

Umbrella Corallimorph

Umbrella Corallimorph

Coral

Discosoma neglecta

A hardy, low-maintenance mushroom coral perfect for shaded reef corners.

Upside-down Catfish

Upside-down Catfish

Fish

Mystus leucophasis

An upside-down catfish from Myanmar that stays that way. And means business.

Upside-down Catfish

Upside-down Catfish

Fish

Synodontis nigrita

The Synodontis that outgrows its welcome. And gets mistaken for something else entirely.

Upside-down Catfish

Upside-down Catfish

Fish

Synodontis nigriventris

The catfish that flipped the script, spending most of its life swimming upside down.

Upsidedown Catfish

Upsidedown Catfish

Fish

Synodontis batensoda

A large African catfish that genuinely swims upside down as its default mode.

Upside-Down Jellyfish

Upside-Down Jellyfish

Invert

Cassiopea andromeda

Rests bell-down on the substrate, pulsing gently while algae do the work.

Urchin Clingfish

Urchin Clingfish

Fish

Diademichthys lineatus

Tiny reef clingfish that makes its home among sea urchin spines.

Urquisho

Urquisho

Fish

Pyrrhulina laeta

A slender Amazonian predator that punches above its small size.

Utaka

Utaka

Fish

Copadichromis borleyi

A peaceful Malawi cichlid that rewards patient keepers with vivid color morphs and fascinating breeding behavior.

Utaka

Utaka

Fish

Copadichromis chrysonotus

A mid-water spawning Malawi cichlid that breeds in open water like no other Hap.

Utaka

Utaka

Fish

Copadichromis ilesi

A peaceful Utaka cichlid from Lake Malawi with fascinating mouthbrooding behavior.

Utaka

Utaka

Fish

Copadichromis mloto

A Lake Malawi schooling cichlid that breaks the solitary-male stereotype.

Vampire Fish

Vampire Fish

Fish

Hydrolycus armatus

A river predator with fangs to match its reputation, and size to back it up.

Vampire Pleco

Vampire Pleco

Fish

Leporacanthicus joselimai

Fanged river catfish with bold markings that fade into something more mysterious with age.

Vampire Shrimp

Vampire Shrimp

Invert

Atya gabonensis

A peaceful giant that filter-feeds with fan-like hands instead of grazing.

Vanderbilt's Chromis

Vanderbilt's Chromis

Fish

Chromis vanderbilti

A small, shoaling Pacific damsel that's genuinely easy on beginners and neighbors alike.

Van Heurn's Rainbowfish

Van Heurn's Rainbowfish

Fish

Melanotaenia vanheurni

A rarely seen New Guinea rainbowfish with a very limited wild range.

Variable Platyfish

Variable Platyfish

Fish

Xiphophorus variatus

Dozens of color forms, endless fry, and tolerant enough for any community tank.

Variable Soft Coral

Variable Soft Coral

Coral

Alcyonium variabile

A hardy South African soft coral that tolerates beginner reef conditions well.

Vateria Flower Rasbora

Vateria Flower Rasbora

Fish

Rasboroides vaterifloris

A rare Sri Lankan gem that shimmers in red, orange, or yellow depending on where it hatched.

Veda / Meni

Veda / Meni

Fish

Nandus nandus

A patient ambush predator from South Asia that punches above its weight at feeding time.