Serves 2

A bluefin tuna, caught off northern Japan, has fetched a record 56.49 million yen (£473,000) in the first auction of the year at Tokyo's Tsukiji fish market.

Pair drift in the Pacific for 33 days, then discover relatives on a remote atoll

The prospect of farming the endangered bluefin tuna from eggs to fully mature adults has come a step closer with the first natural mass spawning of the species in captivity.

Environmentalists on the Mediterranean sent a small launch this morning to inspect a sea cage to determine whether it was holding tuna, but fishermen attacked them with debris, forcing a return to the mother ship.

Letters from customers and embarrassing headlines have forced the last major British supermarket group to drop a destructive form of tuna fishing.

Britain's biggest tinned tuna brand has bowed to pressure from campaigners and agreed to end a destructive form of fishing.

Less cod, more anchovies.

A television series this week showed British trawlermen tossing dead cod back into the sea and African fishermen confirming their tuna nets also snared turtles, sharks and dolphins.

One of Britain’s biggest tuna brands, Princes, has agreed to drop an environmental claim from its tins following an investigation by Greenpeace.

Dozens of edible fish live in UK waters, but the unadventurous British tend to eat just three – salmon, tuna and cod – most of which come from abroad. A campaign beginning next week with the backing of the Government aims to persuade people to consider trying a new piscene experience. For every meal of salmon, cod and tuna, people should eat one containing abundant species such as gurnard and dab, viewers of a celebrity chef-fronted Channel 4 season will be advised.