The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sharks have been on the planet longer than trees.
14
Cats sleep for 70% of their lives.
8
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
22
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The cat brain weighs about 30g.
167
Sharks, like other fish, have their reproductive organs in their chests.
248