From time to time, curious tales of “fish rain” grab media attention: fish seemingly fall from the sky, far from any bodies ...

“We might call it ‘mountain cuisine,’ ” explains Alessandro Gilmozzi, a celebrated chef from northern Italy’s Val di Fiemme.

With their bright green eyes and slender bodies, gulper sharks are odd-looking, prehistoric creatures that have been around for millions of years. Found worldwide in waters from 200 to 1,500 meters ...