The black swallower fish

South africa’s sardine run might just be the greatest wildlife spectacle you’ve never heard of. So large is this annual fishy movement that in biomass terms alone it has been estimated to rival the ep

Phill Williams recounts his attempt to complete his lifelong angling bucket list with a 1000lb fish and looks at the challenge of catching a ‘grander’ in UK waters

Just imagine catching giant halibut from crystal-clear Scandinavian seas – it’s a jaw-dropping experience, so no wonder I was excited!

From a heroic long-distance swimmer to a producer of spectacularly eerie sound effects, the seabirds seen swooping and diving over British waters have all manner of singular skills, says John Lewis-Stempel

The monkey slug is not some experimental genetic monstrosity. But even if you see one in the flesh, you may still be unclear what this odd, brown hairy thing is, with its array of fuzzy tentacles. It

A cold-water nomad with a voracious appetite, the overfished cod may be dwindling in numbers, but it is still a big beast of the sea