Species

Akysis portellus

A tiny venomous stream catfish from Myanmar that's easier to keep than it looks.

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.

Channa orientalis

A compact, air-breathing predator with remarkable breeding behavior and surprising adaptability.

Badis assamensis

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

Amphilophus macracanthus

A hefty Central American cichlid built for life on the riverbed.

Periophthalmus barbarus

A true amphibious fish that walks, climbs, and breathes air on land.

Corydoras atropersonatus

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

Melanochromis auratus

A brilliantly colored mbuna with an attitude that demands respect and careful tankmates.

Pseudotropheus aurora

A scrappy Malawi mbuna from the rock-sand interface, with real personality to spare.

Amphiprion rubrocinctus

Australia's own anemonefish, rarely seen outside its home waters.

Pseudomugil signifer

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

Scleropages jardinii

Australia's own arowana, and arguably the most aggressive of the family.

Melanotaenia fluviatilis

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

Aphanius sirhani

A critically endangered desert oasis killifish worth keeping as a conservation project.

Chrysiptera hemicyanea

A bold splash of blue and yellow that punches above its small size.

Lates calcarifer

A giant predator that outgrows almost every aquarium on earth.

Poecilia maylandi

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

Bujurquina vittata

A devoted South American cichlid that carries its babies in its mouth.

Apolemichthys arcuatus

A boldly patterned Hawaiian angel that's surprisingly approachable for reef keepers.

Toxotes jaculatrix

The fish that hunts above water, shooting insects down with pinpoint accuracy.

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.

Apistogramma bitaeniata

A jewel of Amazonian blackwater, with color forms varying by river system.

Epiplatys fasciolatus

A surface-hunting West African killifish with metallic fins and a subtle barred pattern.

Amblygobius phalaena

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

Bagarius rutilus

A river predator with vivid orange fins, built for serious hobbyists with serious space.

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.

Hemichromis elongatus

A jewel cichlid with a reputation for being the most aggressive in the genus.

Gymnotus carapo

A electric-field-wielding oddball that can breathe air and recognize its neighbors

Leporinus fasciatus

Bold black-and-yellow stripes that multiply as the fish grows up.

Schistura notostigma

A feisty Sri Lankan stream dweller that climbs waterfalls and holds its ground.

Dunckerocampus dactyliophorus

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

Colomesus psittacus

A peaceful Atlantic puffer that genuinely tolerates company of its own kind.