Above, fresh mahi mahi harvested from the sea. A handful of cell-based seafood companies are attempting to create fresh fish species, including mahi mahi, in a lab — where they will be grown ...

Whelans Fish Restaurant and The Haven, both in Lytham St Annes, have been named among the best seaside fish and chip shops in the UK.

The "world without fish" that Mark Kurlansky envisions may be hard to imagine, given what he calls our "enduring misconception" about nature's bounty.