It's a friendly face that greets you with bone-crushing teeth to eat you.

220

They start out cute and furry, but then they grow up and become destructive. They can gnaw or scratch lots of materials when they're in a stressful environment.

162

See that parrot fish? He likes to swim up and see people. So if he doesn't see any, he jumps up (from the water) to take a look.

140