Species

Xenentodon cancila

A torpedo-shaped freshwater predator that will absolutely bite the hand that feeds it.

Hemibagrus wyckioides

A river giant that outgrows nearly every home aquarium and knows no fear.

Channa striata

A giant air-breathing predator that can survive drought by burrowing into mud.

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.

Clea helena

The snail that hunts other snails. A living solution to pest outbreaks.

Amphilophus macracanthus

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

Palythoa variabilis

A hardy Brazilian zoanthid that forgives beginner mistakes and grows with confidence.

Periophthalmus barbarus

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

Phyllangia consagensis

A rarely kept Eastern Pacific coral for the dedicated intermediate reef keeper.

Chrysaora quinquecirrha

A true open-water predator that demands a specialist setup and rewards patient keepers.

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.

Heteractis aurora

A hardy, photogenic anemone that brings reef texture without demanding expert-level care.

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.

Mussismilia braziliensis

A true Brazilian reef-builder with classic brain coral architecture and beginner-friendly needs.

Lates calcarifer

A giant predator that outgrows almost every aquarium on earth.

Acropora yongei

A fast-growing table coral that can dominate an entire reef flat.

Acropora latistella

A flat-plating Acropora that thrives where other corals struggle.

Poecilia maylandi

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

Trachyphyllia geoffroyi

A free-living brain coral that unfurls dramatically after dark.

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.