Are Sharks Mammals? Is A Shark A Mammal Or A Fish?
Sharks are not mammals; sharks are fish. Sharks lack mammalian characteristics such as hair and lungs, and do not produce milk. Being fish, sharks have scales and fins, and breathe using gills. Sharks belong to the class Chondrichthyes, whereas mammals belong to the class Mammalia. Although sharks do share some physical characteristics with mammals (especially … Read more