Underwater footage from May 12 captured the fascinating moment a giant cuttlefish changed colors as a diver approached off the coast of the Sydney suburb of Manly. This video, captured by An Dau, ...

Cuttlefish are one of the most curious species in our oceans. Firstly, despite their name, they’re not fish, but rather, they’re cephalopods. Many people probably don’t even realize that it’s possible ...