A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Condoms were originally made of animal intestines or linen.
347
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Sharks have been on the planet longer than trees.
14
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The seahorse is the only fish to have a neck.
12