 This is seen through the species Antennarius maculatus where the frogfish has changed to a white color in order to blend in with the bleached coral in the Indian Ocean 

As all frogfishes, "A. hispidus" is a voracious carnivore which will devour all right-sized prey that pass within reach, usually other fish, but sometimes even its own kind.It can swallow prey its own size.Like other members of its family, it has a benthic and solitary lifestyle.