In this shocking fish autopsy, a jellyfish catfish is discovered to have swallowed a jelly catfish whole offering a rare and ...

The distribution of a deep-sea jellyfish species with two different traits hints at the existence of an unknown biogeographic ...

Around 152 million years ago, a fish met a gruesome end. The 15-centimeter-long animal died an agonizing death, impaled on a 10-centimeter-long belemnite.

Researchers have mapped the distribution of a jellyfish subspecies and found that creatures which lack a distinctive "knob" are somehow prevented from leaving the Arctic.