Species

Nandus nandus

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

Aphanius vladykovi

A high-altitude Iranian toothcarp that rewards dedicated keepers with non-stop activity.

Potamotrygon castexi

A disc-shaped river predator that can actually solve puzzles to get its food.

Macropharyngodon bipartitus

A boldly patterned reef wrasse that rewards patient, experienced keepers.

Annamia normani

A fast-water hillstream fish that really needs to be kept in a crowd.

Calophysus macropterus

The Vulture Catfish: a relentless scavenger built for South America's biggest rivers.

Akysis vespa

A tiny banded catfish from Myanmar's fast streams, built like a wasp.

Petrocephalus bovei bovei

A nocturnal African weakfish that retreats into caves by day and hunts by night.

Paramisgurnus dabryanus

The tough, peaceful bottom-dweller hiding in plain sight as a different species.

Polypterus retropinnis

A living fossil with lungs, armor, and a prehistoric attitude.

Potamotrygon leopoldi

A bold black disc covered in white spots. And a venomous spine to match.

Stonogobiops yasha

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

Dunckerocampus pessuliferus

A reef cleaner that moonlights as one of the more manageable pipefish for beginners.

Hemibagrus nemurus

A river giant that grows enormous, acts aggressively, and fears nothing. Including you.

Hippocampus kuda

A wide-ranging Indo-Pacific seahorse that adapts surprisingly well to aquarium life.

Urobatis jamaicensis

A venomous reef-flat predator that lures prey with its own body as bait.

Chrysiptera parasema

A bold little reef fish with a vivid golden tail and an attitude to match.

Cryptocentrus cinctus

A pint-sized goby that shares its burrow with a nearly blind shrimp partner.

Brachyplatystoma juruense

A boldly banded Amazonian predator that rests on the bottom by day and hunts by night.

Dendrochirus zebra

A compact lionfish with bold zebra stripes and venomous spines to match its attitude.

Gymnomuraena zebra

A boldly banded moray that trades ferocity for a surprisingly mellow temperament.

Macrognathus zebrinus

A boldly patterned burrower that will eat anything small enough to swallow.