Cuttlefish can change colour in 200 milliseconds, as fast as a human can blink. Cuttlefish have W-shaped pupils, which are thought to help control the intensity of light entering the eye. Cuttlefish ...

Many people have heard of the cuttlefish but haven’t actually seen one in person – and we’re just going to say, if you haven’t seen a cuttlefish in person yet, then you’re doing yourself an injustice.

Ze Frank used his mellifluous voice to teach us indisputably true Morgan Freeman facts. Then he relayed more true facts about the seahorse, the tarsier, and the mantis shrimp. Now he’s back after a ...

There are more than 120 species of cuttlefish. They are found in the order Sepiida and are grouped into six families divided between two suborders. Depending on the species, cuttlefish range in ...