Researchers report they have recently described a pale, ghostly blue damselfish living in the deep-sea reefs of the Maldives.

The fish’s forehead between the eyes is “greenish silver,” researchers said, and its rounded snout is led by “pale blue” lips. When the fish is preserved, it loses its blue coloration and fades to a ...

The wrasse has thick, full lips and a forehead hump that becomes more prominent as the fish ages. Changing in color throughout their lifetimes, males range from bright electric blue, green, or ...