Alex Mustard / Crescent-tail bigeye (Priacanthus hamrur) portrait against blue water. Note there is cleaner wrasse in attendance (below mouth), Gubal Island, Egypt. Red Sea.

Georgette Douwma / Abudjubbe's splendor wrasse (Cheilinus abudjubbe) Egypt, Red Sea.

David Fleetham / Psychedelic wrasse (Anampses chrysocephalus) juvenile swimming in reef, with Slate pencil sea urchin (Heterocentrotus mammillatus) behind, Hawaii, Pacific Ocean.

Doug Perrine / Female Psychedelic wrasse / Red tail wrasse (Anampses chrysocephalus) swimming over coral reef, North Kona, Hawaii, Pacific Ocean.

Doug Perrine / Male Psychedelic wrasse / Red tail wrasse (Anampses chrysocephalus) guarding harem of females, Kona, Hawaii, Pacific Ocean.

Doug Perrine / Male Psychedelic wrasse / Red tail wrasse (Anampses chrysocephalus) swimming over coral reef, Kona, Hawaii, Pacific Ocean.

Sirachai Arunrugstichai / Healthy Staghorn corals (Acropora sp.) with various reef fishes, including Moon wrasses (Thalassoma lunare), and Threespot dascyllus (Dascyllus trimaculatus) and a large school of Bigeye snappers (Lut...