Evidence for this function first came from studies of the organ's anatomy and ... to swallow fish and other prey. A pair of powerful muscles—the largest muscles in the head—cross the ...

and the best place to start when looking at basic fish anatomy is at the head. A fish has the same features as most creatures ...

When potential food sources such as fish or shrimp swim near, the cuttlefish can alter the color of its skin while waving its arms in a mesmerizing display. This lures potential prey to within ...