[["Fish are fish, which are noted by their gills and scales. Mammals have lungs and hair. If you mean, which mammals live in the ocean? Whales and porpoises come to mind.", 30.0], ["Fish, by definition, are not mammals.  Some mammals, that are found living in water either full or part time, include Manatees, Dolphins, Whales, Otters, Walrus, Beavers and Seals. They are not fish.", 30.0], ["None. Fish and mammals are two different organizations of animals. Swimming mammals include manatees, whales, dolphins, and porpoises. ", 13.0]]
how many fish are mammals
animals,fish,goldfish