The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
There is a species of clam that can grow up to four feet long and weigh up to 500 pounds.
89
Most tropical marine fish could survive in a tank filled with human blood.
54
The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
66