Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Flies are deaf.
379
The Giant South African Earthworm can grow up to 22 feet long and 1 inch in thick.
37
Whales and dolphins can't taste anything other than salt.
11
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.
21
A species of earthworm in Australia grows up to 10 feet in length.
10
No one has ever been able to domesticate the African elephant. Only the Indian elephant can be trained by man.
39
A polar bear's skin is black. Its fur is not white, but actually clear.
25