Anyone tempted to pay out a lot of money has a right to expect a lot of anatomy and that is what this ... several views of the head and neck, brain and special senses are available that can ...

Unlike all other fish, whose jaw joint sits behind their mouth, the hingemouth’s jaw joint is at the front of its head. The lower jaw is flipped backwards, pointing towards the throat.

The coelacanth possesses a suite of other unique features, including electroreceptors in its snout and a hinge in its skull that allows the fish to open its mouth ... anatomy of the fish’s head.