From http:home.bitworks.co.nz/trivia/life.htm "Living World's Quotes"

The flying fish has been known to glide up to 90 meters.

Shark’s teeth are literally as hard as steel.

A starfish can turn its stomach inside out.

The largest eggs in the world are laid by a shark.

The walking catfish can live on land.

During its lifetime an oyster changes its sex from male to female and back several times.

An electric eel produces an average of 400 volts.
Squid can commit suicide by eating their own tentacles.

Dolphins sleep with one eye open.

Fish are the only vertebrates that out number birds.

A large whale needs more than 2 tons of food a day.

Whales must move their entire body to change their line of sight.