I know it's not a fish, but it might be the animal I love the most:
They eat a lot. I eat a lot.
They swim fast. I swim fast.
They love to go underwater. I love to go underwater.
They build strong family and social ties. I love family and friends!
They are blue-gray. I love blue and gray.
They are big. I am barrel chested and surprisingly heavy for my size.
The are smart. I've been known to be quite bright on occasion.
As fishes are concerned, I'd be a:
sailfish. They are fast. 110 km/h (70 mph) fast.
"The worker has the right to leave his boss, but can she do it? And if she does quit him, is it in order to lead a free life; where she will have no master but herself? No, she leaves to sell herself to another employer. She's driven by the same hunger. Thus the worker's liberty is only a theoretical freedom, lacking any means of realization; an utter falsehood."