West & Central Africa

Melanoides tuberculata

The tireless substrate burrower that aerates your gravel while you sleep.

Neritina natalensis

The algae-scrubbing snail that won't overrun your tank.

Cherax quadricarinatus

A bold, fast-growing Australian crayfish with vivid red claw markings on the males.

Atya gabonensis

A peaceful giant that filter-feeds with fan-like hands instead of grazing.