it is a fish
Sea lampreys are fish.
No, a seal is a mammal not a fish.
no it is a fish
it is a fish
No, it is a fish - a seahorse.
there is no fish with a horn, but if you think narwhal it is a aquatic mammal
It's a fish. A close relative of the pipe fish.
no, it is a fish, it breathes with gills
Sea horses look like horses but a sea horse is a fish and a horse is a mammal.
the most ancient sea mammal would have to be the flat fish although it is endangered.
A sea turtle is neither. It is a reptile, just like the snakes and lizards on land are reptiles.
a bass is to fish as horse is to mammal