A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Rattlesnake mating sessions have been known to last more than 22 hours.
232
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A cat can jump FIVE TIMES as high as it is tall!
371