Similar to their octopus cousins, vampire squid are also cephalopods with two ear-shaped fins, yet are neither true squid nor octopus.

The vampire squid is a deep sea species related to squids and octopuses that is capable of spectacular bioluminescent "fireworks" displays.

On an expedition in Hawaii, a remote underwater vehicle filmed a dumbo octopus swimming with its ear-like fins near the seafloor. The pale white creature is one of the deepest-dwelling octopuses ...

One way to tell the difference between a squid and an octopus: Count the arms. Find out which has more appendages, plus other distinctive characteristics.

What Octopus Species Lives the Longest? Giant Pacific octopuses have among the longest lifespans of any octopus species and live for 3 to 5 years.

A bizarre "vampire squid" has been pulled from the ocean and some scientists believe that the deep-sea specimen represents an entirely new species.

They are part of a broad group known as “dumbo octopus”, of which there are approximately 50 described species worldwide, including at least 15 species recorded in Australian waters.

A rare species of octopus, known as a "Dumbo" octopus, was spotted about a mile below the surface of the Pacific Ocean near Hawaii.

The animated sea witch in Disney's The Little Mermaid originally had six arms, which is more squid-like. In the more recent live-action movie, she has eight—but also retains qualities of other ...

Schmidt Ocean researchers saw a dumbo octopus in the Southeast Pacific for the first time. A video shows the creature swimming near Chile.

So, want to see something really scary? On Facebook, the agency posted a picture of a bioluminescent organ vampire squid. These critters have light-producing organs known as photophores. Never ...

A rare “Dumbo” octopus was spotted 1,682 meters below the surface in Papahānaumokuākea Marine National Monument near Honolulu, Hawaii.