Shark 2-33kb
Here's a small simple one. Possibly for a logo.

jaws123-32kb
This gif makes me feel like Richard Dreyfus. (I don't mean short and balding).

Shark 4-29kb
The movie jaws was the sole reason I never swam alone and I always made a point of being a faster swimmer than my brother. (Of course he was slowed down by the lucky ham I gave him)