What exactly is this unusual blue sea creature? Get to know one of the more unusual members of the sea slug family in our quick look.

Look, here comes a blobfish! This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society. But its jelly-like skin looks much more natural at 900 meters.

Look at the huge ocean. Miles and miles of water. We can't live without water. Nothing can live without water. These animals live in the water. They couldn't survive unless there was a lot of ...

Snakes are some of the most dangerous animals on Earth, so it makes sense that sea snakes would be on this list. Sea snakes are part of the cobra family and are usually venomous. They can kill ...

Around the Ocean in 80 Fish & Other Sea Life is a beautifully illustrated journey that introduces readers to various inhabitants of the five oceans. Each turn of the page reveals a new animal—with ...

The ocean is a wondrous place ... If you see one of these in the water, stay away. Note: Some of the animals on this list are dangerous for attacking humans, not necessarily killing them.