Meet the telescopefish, a ghostly predator with tubular eyes and a jaw that unhinges to swallow prey larger than itself.

The Murray cod, named Arnie after Australia's recently retired Olympic champion Ariarne Titmus, was first tagged in 2022.

Meet the Atlantic wolffish, green humphead parrotfish, and other unusual species with extraordinary adaptations.

Today, we will be exploring a dinosaur - along with its wider family - who has been the victim of one of these proverbial tugs of war - Baryonyx, a famous genus of spinosaurid from what is now England ...