Octopuses are some of the most intelligent and agile creatures in the ocean, and when animals make the mistake of challenging them, it rarely ends well. In this video, we highlight 16 epic encounters ...

The giant-tentacled monster of the sea, ... Sea Creature Reclassified As New Kind of Marine Animal. Scientists say sea monster is a new kind of animal. By ABC News. May 21, 2014, 10:26 AM.

Since 2022, sea urchins have been plagued by a scuticociliate, a single-celled pathogen that eats away at the animals’ soft tissue and makes their spines fall off.

More than 5,000 animal species previously unknown to science live in a pristine part of the deep sea. Their home — called the Clarion-Clipperton Zone — sits in the central and eastern Pacific ...