What Makes a Salmon a Bony Fish?
A salmon is a bony fish because its skeleton is made mostly of bone. The skull, backbone, and ribs are made of bone. Salmon and most other bony fish have many thin bones too, called rays, inside their fins. Skull bones form the frame for a salmon head. The skull bones include the upper and lower jaw and the brain case. Bony plates protect the gills that are located on the side of a salmon head. The backbone forms the frame for the rest of a salmonbody. The backbone has lot of separate pieces of bone called vertebrae. The ribs are attached to the vertebrae. Bony fin rays form the frame for a salmon fins. Fins help the fish swim and keep its balance. What Is a Bony Fish? Fish are vertebrates, which are animals with backbones. Fish live in water and usually breathe with gills. A bony fish is a fish whose skeleton is made mostly of bone. Salmon and trout are bony fish. Bass, catfish, flounder, barracuda, and seahorses are bony fish, too. Altogether, there’re about 24000 kinds of fish. Lots
