Species

Xenomystus nigri

The knifefish that barks, breathes air, and swims backwards with ease.

Hoplerythrinus unitaeniatus

An ancient air-breathing predator that can walk to find new water.

Osphronemus goramy

A fish that recognizes its owner and outlives most pets in your house.

Boulengerella lucius

A torpedo-shaped ambush predator that outgrows most home aquariums fast.

Chitala ornata

A prehistoric river predator that grows far larger than most tanks can handle.

Boulengerella cuvieri

A surface-hunting predator that outgrows almost every home aquarium.

Belonesox belizanus

A surface-hunting predator built like a pike, from Central American wetlands.

Serrasalmus rhombeus

A solitary, powerfully-jawed predator best kept as a single specimen by dedicated keepers.

Plagioscion squamosissimus

A riverside predator built like a torpedo, surprisingly manageable for its size.

Lepidosiren paradoxa

A living fossil that breathes air, crawls on fins, and outlives most pets.