Marine biologist Alexander Semenov specializes in invertebrates and is the head of the divers’ team at Moscow State University’s White Sea Biological Station where he organizes and manages all sorts ...

Of the roughly 250,000 known marine species, scientists think all ~126 marine mammals emit sounds – the ‘thwop’, ‘muah’, and ‘boop’s of a humpback whale, for example, or the boing of a minke whale.

This new posture and evasive swimming behavior cause the trout to spin off two underwater vortex rings in opposite directions ...