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.

a deep-sea, ribbon-shaped creature, to wash up on shore, but when it does, some believe it could mean that something bad is going to happen. The oarfish is commonly known as the “doomsday fish”.

The deep-sea creature, often linked to legends of impending ... “What is going on in the bottom of the ocean that has all these deep sea fish suddenly surfacing?” Last year, the rarely seen ...