A new born blue whale measures 20 to 26 feet (6.0 to 7.9 meters) long and weighs up to 6,614 pounds (3003 kg).
The embryos of tiger sharks fight each other while in their mother's womb, the survivor being the baby shark that is born.
Fish are the only vertebrates that outnumber birds.
A starfish can turn its stomach inside out.
Sharks are immune to cancer.
-www.hightechscience.org
