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?
Though desert men once called me God, today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
It can be in a hat, Or out of the bag. If you see it you'll be smitten, 'Cause it's fluffy like a mitten.
It has 8 arms and lots of ink but can't write a word.
What is so fragile that saying its name breaks it?
Animal
Difficult
Easy
Food
Funny
Kids
Logic
What am I?