When potential food sources such as fish or shrimp swim near ... Water exits through a movable part called the funnel, which controls the angle of the spray. The mantle cavity also aids in ...

Evidence for this function first came from studies of the organ's anatomy and its nerves as well ... Its teeth are designed not so much to grab or slice fish but to prevent them from escaping ...

Fish are cold-blooded creatures, meaning they depend on the sun to stay warm, unlike mammals, which create their body heat.

The tough part is that fish cannot be compared to other species, she said, like mammals or birds. "That has a lot to do with their anatomy and physiology and the way that their brains and their ...