Bignose unicornfish (Naso vlamingii) are an Indo-Pacific reef species known for their blue markings. They can quickly hide these markings if needed. “We are sharing those color stories to show all the ...

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 ...

No, not that Twilight Zone… Although, given the original show is in black and white, seeing a rainbow fish in The Twilight Zone would be something. We mean the ‘twilight zone’ reefs. According to a ...