Grey triggerfish – new to British waters, and to the fishmonger's slab

A fish familiar to Mediterranean fishermen can now be caught around Britain, from the south-west to the HebridesA favourite haunt of a newcomer to British shores, the grey triggerfish Balistes capriscus, is the seaside pier. For the holiday angler it could be quite a shock landing such an unfamiliar fish, and it will need caution. Triggerfish have small mouths but eight sharp teeth and strong jaws, useful for crushing the shells of mussels and other prey.The increase in sea temperatures of aroun