The fish were found to absorb 99.5 percent of ... So for other species, blending in with the pitch-black background is an effective survival strategy. Absorbing almost every photon of light ...

The fish -- called the ultra-black fish, which live anywhere between 200 to 2,000 meters below surface -- are so dark that they often appear just as a silhouette, according to one of the authors ...

The researchers found that the fish preferred darker backgrounds such as dark grey and black over lighter backgrounds such as white and light blue. The darker the background, the stronger their ...

PITTSBURGH (KDKA) -- Biologists with the Pennsylvania Fish Commission say they have been notified after a Lake Erie angler caught a fish with mysterious shiny black growths on it. Photos of the ...

Then, to determine how the gobies respond to varying degrees of brightness, the researchers placed 40 of the fish in containers with white or black backgrounds. In a second experiment, researchers ...