The flippers help the seal to be a good swimmer. By Wouter Some fish can take to the air if only for short distances. The garfish skips along the surface using its tail like the propeller of an outboard motor. But flying fish really fly. They can skim above the water for nearly a minute and if there is a breeze they can reach a height of 10 to 20 feet.
Sharks live in oceans.
A shark can see in the dark. Some shark's eyes shine in the dark. A shark has many teeth. If a tooth falls out a new tooth moves into its place. The biggest invertebrates are giant squids.