We now know how ghost catfish get their rainbow shine. These small fish, popular for home aquariums because of their near-complete transparency, get their iridescence from fibres in their muscles, ...

Discover 15 unbelievable transparent animals that actually exist on Earth. See nature's most ghostly and rare creatures.

NEW YORK — You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering ...

Add Yahoo as a preferred source to see more of our stories on Google. This image provided by Qibin Zhao shows ghost catfish showing iridescence. The ghost catfish has a see-through body that flickers ...