A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
A dairy cow can produce more milk when listening to music.
446
A giraffe's kick is so powerful that it can decapitate a lion.
216
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17