Also known as the rock sturgeon, the lake sturgeon is one of 27 species of sturgeon, a family of bony fish that found around the world that first appears in the fossil record more than 200 million ...

The first sharks on Earth ... The difference between a shark and other fish: Unlike bony fish, sharks, rays, skates, and chimaeras are cartilaginous fish, meaning their skeletons are made of ...

Red-colored sediments, generated when North America collided with Europe, give the Devonian its name, as these distinguishing rocks were first studied ... the bony fish, were covered in scales ...

It is the longest bony fish in the world, growing to more than 30 feet. The longest one ever was estimated to be 50 feet in ...