A fishs tail is also called the caudal fin.
Fin whales have two pectoral fins and a dorsal fin.
Whales and walruses are two animals with names starting with the letter W.
The proper term for a group of whales is a "pod" of whales.
whales are the ones that have a horizontal tail with all the sea mammals. sharks and every sea creature has a vertical tail for every sea creature that breaths with the gillsilts.
Sort of. The Sperm whales tail is about 6-7 metres long.
The Tail Slap or Tail Lob is what you are describing. The meaning of this behavior is not really known, it has been suspected to mean it is a way to ward off other whales, or to invite other whales to join a group.
Ten feet
First the tail stock then the flukes are the part at the end of the tail.
That would be a pod of whales.
About half a ton.
it helps them attack predators.
They have the tail and their flippers. Some whales have vestigial(undeveloped) leg bones embedded in their tails.