A diver shines a light in on a cavern filled with glassy sweepers (Pempheris schomburgkii) at Molasses Reef in Key Largo, Florida.

actinopterygii florida florida keys key largo pempheridae pempheris schomburgkii perciformes adult adventure animal animal themes animals in the wild aquatic cave cavern color image day diver diving environment exploration fish flashlight front view grotto group horizontal illuminated large group of animals marine biology motion nature on the move one person outdoors photography reef scuba divers scuba diving sea life shining sweeper fish swimming tropical fish undersea underwater wilderness wildlife zoology