both fish
The only similarities would be diet (plankton), size and they both live in the ocean. Some whales eat plankton, as do whale sharks. Some whales are close to the same size as whale sharks. Otherwise, whales are mammals, and whale sharks are fish.
There are many similarities and differences between a shark and a whale. The similarities is that have a similar streamlined body structure but the differences are many including sharks are fish while whales are mammals, sharks have a vertical tail structure while whales have a horizontal one among others.
the smartest shark is believe it or not the Cookie cuter and for fish the lung fish.
analogous
They just know......
what are the similarities between grouper and tuna
There are three major similarities between a fish and a snake: Both have scales on their body. They do not have visible ears. Both lay eggs.
There are many similarities between fish and humans. Fish and humans have many of the same organs. We both have a digestive system and a reproductive system.
Sharks are still in existence, while dinosaurs became extinct long ago.
both can have sex
no tiger sharks are fish but r sharks
well...some people are fish like and some fish are human like... :/