Light is an electromagnetic wave  Objects that cannot absorb light electromagnetic waves are generally transparent objects  Translucent objects absorb only a portion of light, also known as color filters  Opaque objects absorb all of light, also known as black bodies   Transparent animal bodies do not have the ability to absorb visual light can not see pigment, its concealment is strong
The secret of an invisible animal is that its body is transparent and colorless at the same time
An object whose transparent energy absorbs light electromagnetic waves can be called a white body