Deep sea sharks pig out on beef, lamb and veg we throw away

Just wait, and dinner will come floating down. That seems to be the feeding strategy for sharks and other bony fish that thrive in the western Mediterranean Sea, at depths exceeding 2000 metres. Beef, goat meat, dolphin blubber, vegetables and fruit – even a bunch of grapes, for example – were gratefully received and gobbled down by these fish, living in or around a canyon called the Valencia trench, midway between Barcelona, Spain, and the Balearic Islands. Joan Cartes of the Institute of Marine Sciences in Barcelona and his team unpicked deep-sea dining habits by catching 445 live fish – mainly three species of shark and six bottom-dwelling bony fish – and analysing their gut contents. [...]