Is the big blue whale same as shark?

The big blue whale and shark are both large marine animals, but they are very different species.

The blue whale is a mammal, reaching lengths of up to 100 feet and weighing up to 200 tons, making it the largest animal on Earth. The blue whale is dark blue or gray in color and has a long, streamlined body with a dorsal fin. It is a filter feeder and feeds on krill, small shrimp, and other plankton.

The shark is a fish and is a member of the class Chondrichthyes, while the whale is a mammal and a member of the class Mammalia.