Species

Nandus nandus

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

Potamotrygon castexi

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

Aphanius villwocki

A rare Turkish killifish with ancient roots and surprisingly active character.

Calophysus macropterus

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

Fundulopanchax walkeri

A feisty West African killi with a big appetite and cool-water preferences.

Antennarius maculatus

A master of disguise that hunts by dangling a lure from its forehead.

Catoprion mento

A scale-eating specialist with a dramatic banner-like dorsal fin rarely seen in the hobby.

Betta coccina

A blood-red peat swamp betta that demands soft, acidic water and its own space.

Parachromis dovii

A barrel-chested Central American predator that will eat almost anything it can fit in its mouth.

Potamotrygon leopoldi

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

Hemibagrus nemurus

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

Parachromis friedrichsthalii

A bold Central American predator that can handle a touch of salt.

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.

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.

Haplochromis latifasciatus

A critically endangered Lake Kyoga cichlid that breeds readily in home aquariums.

Macrognathus zebrinus

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