A humpback anglerfish, usually found deep underwater, was filmed near the surface. The amazed scientists and sparked online ...

believe that narwhal tusks could get used to hunt fish. She notes that female narwhals, which usually don't have tusks, manage to find food just fine, so these tusks can't be essential.

Dive below to a world of wonder with this selection of breathtaking winning and commended photos from the Underwater Photographer ... scenes of 'jousting' male fish, an 'unfazed' octopus and ...