A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
A scorpion can hold its breath for up to 6 days.
19
The seahorse is the only fish to have a neck.
12