They are mammals. Fish breathe through gills and lay eggs. Whales don't do either.
The state mammal of New South Wales is the platypus.
a bass is to fish as horse is to mammal
It is the biggest animal in the world but it is not a fish, but it's a mammal.
Mammal is to lungs as fish is to gills.
Some creatures by the Darling River, New South Wales, Australia are;Emus(mammal).Koala Bears(mammal).Western Grey Kangaroos(mammal).Bearded Dragons(reptile).Mallee foul(bird).Pink cockatoos(birds).Black swans(birds).white browed treecreepers(bird).Murray Cod(fish).Callop(fish).Catfish(fish).Bream(fish).Macquarie(fish).Perch(fish).Redfin(fish).Pelicans(bird).
It is a mammal.
Mammal
It is a fish but it is also a mammal
Shark is to fish dolphin is to mammal.
No, the kangaroo is a marsupial or known as a mammal. A fish isn't a mammal.
No. It is a fish.
It is a fish