Answer:
A spent round or a slimy critter.
I am a mammal that lives in the sea. I have flippers and am known for my intelligence. What am I?
I am small but can carry objects many times my weight. I live in organized colonies. What am I?
What scientists might call your pooch.
I quack and have webbed feet. What am I?
Often cooked as fillet, this meat comes from an animal that swims underwater.