It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23