Sharks are in the cartilaginous fish group. This group of fish has a
movable jaw, well developed teeth, a ventral mouth, paired fins, and
rough scales. Instead of having a true bone skeleton, cartilaginous
fish have cartilage. Besides sharks, rays and skates belong in this
category of fish.
movable jaw, well developed teeth, a ventral mouth, paired fins, and
rough scales. Instead of having a true bone skeleton, cartilaginous
fish have cartilage. Besides sharks, rays and skates belong in this
category of fish.