Do killer whales molt their skin?
The killer whale is a mammal whereas the shark is a fish.the killer whale give birth to young alive while the shark lays eggs A Killer Whale has a blow hole, and is a mamal!:) To start with sharks are fish and whales are mammals sharks have gills whales have lungs. The shark has three scars and whales don't. Whales have black skin but sharks don't. Shoutout to omarion