With a trunk-like snout, an enormous brain and shimmying moves, freshwater elephantnose fish seem straight out of a science-fiction novel. But these oddballs’ most shocking trait is their ability to ...

"It's a whole new way of looking at what's in the ocean." In this undated file photo, a large group of yellowfin tuna is shown in the waters off Vibo Valentia, Calabria, Italy. Giordano Cipriani/Getty ...