The mom found the aquarium's response dismissive after the staff referred to the purple marks on her son's arm as "hickeys." ...

This remarkable sea creature resembles the softest, rainbow-colored blanket gently floating through the deep ocean. A video ...

Cindy Bessey/CSIRO It is estimated that around 18,000 new animal species are discovered every year – an astounding figure that shows how little we really know about who or what is roaming our planet ...

Mother Britney Taryn said an octopus at an aquarium suctioned onto her son, refusing to release, leaving many scars on the child's arm.

A female blanket octopus can be an astounding 10,000 times heavier than a male, perhaps up to 40,000 times. Indeed, the differences between the two sexes are more extreme than any other animal ...

There are about 300 species of octopus, and they’re found in every ocean in the world, even in the frigid waters around Antarctica. A special substance in their blood helps those cold-water ...

But the mimic octopus—not to be confused with the similarly striped but even-better-named wonderpus —has in a way adopted the defenses of venomous and toxic creatures it shares a habitat with.