The species are incompatible and cannot interbreed.
There is no such creature and never will be, so if you need it, you can go crazy with naming. A portmanteau of "dolphin" and "elephant"... Dolphant?
A baboonphant.
A hippophant.
A sharkphant.
A whalephant.
A cowphant.
some differences between
An elephant is a mammal that can only live on the ground .But the whale can live in only water.Besides that, they are both mammals and are huge!
A cross between a whale and a dolphinthe offspring of a whale and dolphin
An ibexphant.
A zebraphant.
A walrusphant.
A giraffephant.
A koalaphant.
An owlphant.
An octophantopus.
Impossible.
The difference is that jodhfjjfh fif f