In this excerpt from the BBC/Discovery documentary Life, we learn about a mating strategy that’s fairly common in the animal world. A female cuttlefish is courted by two males. One is large and ...

Every species of animal in the world has a unique mating ritual. These courtship displays highlight each species’ unique ...

This is an illustration of a giant cuttlefish battling brave sailors, depicted in a popular science book from 1872, called The Ocean World, by Louis Figuier. And that’s not the least of the weirdness ...

Male cuttlefish do not bluff. When their body language shows they are agitated, they are. This was one of the findings from a study on the giant Australian cuttlefish in Springer's journal Behavioral ...

Most people have encountered squid through their local seafood menu or field trip to an aquarium. Unlike octopuses, which are named for their eight arms, squid have 10 individual appendages. They most ...

Consider the cuttlefish. According to new research, this cephalopod has a trick hidden up its tentacles — or rather, its large brain. It reveals one surprising aspect of this creature's intelligence: ...

A study of two dozen common cuttlefish reveals they can recall specific details regardless of age. Richard via Flickr [CC BY-ND 2.0] Common cuttlefish retain sharp memories about recent meals, even in ...