Answer:
I live in the ocean but I am not a fish. I have eight arms and can change colors quickly. What am I?
When it was young, it had a tail. When it grew up, it had knees
I can 'fly' underwater and have eight arms. What am I?
I'm known for being stubborn and saying 'hee-haw.' What am I?
What goes in the water black and comes out red?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?