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 ...

This is Sepia apama (giant Australian cuttlefish) expressing its papillae for camouflage purposes. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...