In 2005 fish were discover in indonesia that measure just 7.9mm long, making them the smallest known vertebrates .They were adult females of paedocypris progentica, a member of the carp family.

BIG FISH

The wale shark is probably the biggest fish in the world.Whale shark are usually up to 12m long through one caugh off thiland in 1919 was reckoned to be 18m long.Despit being enormous, these giant fish eat only planktons - tiny animals & palnts that flow in waters. basking shark also eat planktons, but most other big fish are hunted.