Answer:
They swim around in schools or pods and they are related to whales
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
A darkΒ-colored creature serenaded by Lennon and McCartney.
I'm not a pet with long floppy ears I just share their name when a ship disappears. What am I?
It has 8 arms and lots of ink but can't write a word.
I am the kind of an ant that's good at math. What am I?