Light is an electromagnetic wave. Objects that cannot absorb light electromagnetic waves are generally transparent objects. Translucent objects only absorb part of the light, also called color filters. Opaque objects can absorb all of the light, also called black bodies. Transparent The animal's body does not have the ability to absorb visible light, can't see the pigment, and its concealment is strong. The secret of an invisible animal is that its body is transparent and colorless. therefore? ['The body of some invisible animals is transparent, but maybe colored.', 'The body of an opaque animal can absorb visible light, has obvious colors, and has poor concealment.', 'Transparent objects that can absorb light electromagnetic waves can be called white bodies.', 'Red Goldfish Color Filter.']