filefish

Zoo keepers get fish to clean their own aquarium

Ingenious aquarists at Living Coasts, Torquay’s coastal zoo and aquarium, have trained strange fish to help clean their tank of a naturally-occurring pest.

Filefish, or leatherjackets, have been introduced into the charity zoo’s large stingray tank to help control an invasive anemone.

Aquarist Tom Fielding: “Aiptasia is a common temperate and tropical sea anemone. It comes in...