Fishes Gill-breathing aquatic vertebrates with fins are collectively known as ____. They are jawed vertebrates with paired fins paired nares scales a heart with its chambers in series and skeletons made of cartilage rather than bone like the Osteichtyes or bony fishes. Chondrichthyes Wikiwand All sharks are carnivorous and with a few exceptions have broad feeding preferences governed largely by the size and availability of the prey. . In front of a spiracle. The modern bony fishes class Osteichthyes appeared in the late Silurian or early Devonian about 416 million years ago. The eyes of a shark are. Fishes in the class Actinoptergygii are called____fishes and fishes in the class Sarcopterygii are called____fishes. Chondrichthyes is a class that contains the cartilaginous fishes. The class Chondrichthyes includes sharks skates rays and chimaeras. They initially appeared around 450 million years ago. The cla...
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