For example, the popular blue tang can darken or lighten its blue hue in response to stress or social cues. This color change ...

For example, the popular blue tang can darken or lighten its blue hue in response to stress or social cues. This color change serves as a communication tool within the species. Discus fish are ...

The kole tang is a reef fish like the yellow tang but brown and blue in color. Hawaii suspended aquarium permits for the fish on Sept. 6, 2017, and it is “not possible to obtain a commercial ...