Species

Akysis pulvinatus

A pint-sized Thai hillstream catfish that hides among rocks and rarely reaches an inch.

Akysis vespertinus

A tiny, venomous stream catfish from Myanmar, rarely seen outside specialist collections.

Badis assamensis

A secretive Indian cave-spawner with remarkable breeding color displays.

Corydoras atropersonatus

A long-lived little armored catfish that actually breathes air from the surface.

Betta aurigans

A rare wild betta from a single Indonesian island, full of quiet personality.

Pseudomugil signifer

Australia's tiny blue-eyed shoaler thrives where streams meet the sea.

Melanotaenia fluviatilis

Australia's most cold-tolerant rainbowfish, built for temperate rivers and cool winters.

Chilatherina axelrodi

A rare Papua New Guinean gem found in just one stream on Earth.

Poecilia maylandi

A little-known Mexican molly with big personality and a taste for algae.

Platystacus cotylephorus

A leaf-mimicking catfish that carries its eggs on fleshy belly stalks.

Tilapia sparrmanii

A peaceful, plant-grazing tilapia that pairs up to raise its young.

Chaetodon striatus

A Caribbean reef classic that moonlights as a cleaning station attendant.

Amblygobius phalaena

A sand-sifting goby that doubles as a natural substrate vacuum cleaner.

Colisa fasciata

A labyrinth fish with bold bands and a surprisingly peaceful personality.

Opistognathus macrognathus

A burrow-digging Atlantic oddity that broods its eggs in its mouth.

Dunckerocampus dactyliophorus

A boldly banded reef pipefish that breeds in captivity and hides in caves.

Melanotaenia trifasciata

A dazzling Australian native whose true colors take patience to reveal.

Metynnis hypsauchen fasciatus

A silver dollar relative with bold barring that makes it stand out in the group.

Naso annulatus

A genuinely massive unicornfish that schools on outer reef walls across the Indo-Pacific.

Corydoras metae

The bandit-masked cory with a longer lifespan than most fishkeepers expect.

Pterapogon kauderni

A rare, naturally restricted cardinalfish with fascinating paternal mouthbrooding behavior.

Bunocephalichthys verrucosus

A master of disguise that looks more like a dead leaf than a fish.

Bunocephalus coracoideus

A master of leaf-litter disguise that only comes alive after dark.

Bunocephalus knerii

A master of camouflage that lies motionless until the lights go out.

Heniochus acuminatus

A boldly striped banner-finned beauty that cruises reef channels in elegant pairs.

Heniochus diphreutes

The Moorish Idol lookalike that actually thrives in aquariums

Heniochus singularis

The largest bannerfish, solitary and rarely seen even in the wild.

Corydoras robineae

The bannertail cory: bold markings, fascinating air-gulping behavior, and surprising longevity.

Johnrandallia nigrirostris

A schooling butterflyfish that moonlights as a cleaner fish on Pacific reefs.

Elacatinus figaro

Brazil's own cleaner goby, busy grooming tankmates on the reef.

Hippocampus barbouri

A boldly patterned seahorse with one of the most ornate snouts in the genus.

Rhinogobius giurinus ctenogobius giurinus ctenogobius hadropterus

A hardy little goby from Asia's rivers, surprisingly easy to keep.

Siganus virgatus

A peaceful reef grazer that backs up its calm nature with venomous spines.

Nemacheilus fasciatus

A neatly patterned stream loach from the cool highlands of Sumatra and Java.

Nannostomus espei

The only pencilfish that wears its night pattern all day long.

Amblyeleotris wheeleri

A hardy reef goby that shares its burrow with a nearly blind shrimp partner.