Shane Gross / A juvenile soldierfish, possibly a Crescent-tail bigeye (Priacanthus hamrur) in the open ocean at night off Anilao, Philippines.

Georgette Douwma / Big-eye fish (Priacanthus hamrur). Egypt, Red Sea.

Doug Perrine / Scuba diver films bait ball of Bigeye scad (Selar crumenopthalmus) Keauhou Bay, Kona, Hawaii, Hawaiian Islands. Central Pacific ocean. March 2010. Model released.

Linda Pitkin / Bigeye fish (Priacanthus hamrur) by wreck of The Barge near Bluff Point, Gubal I., Gulf of Suez, Egypt, Red Sea.

Linda Pitkin / Bigeye fish (Priacanthus hamrur) The Barge (wreck), near Bluff Point, Gubal I., Gulf of Suez, Egypt, Red Sea.

Linda Pitkin / Bigeye fish (Priacanthus hamrur) night time colour Gordon Reef, Straits of Tiran, Egypt, Red Sea.

Jordi Chias / Lunar-tailed bigeye (Priacanthus hamrur) with blueline snappers (Lutjanus kasmira) in the background;Mozambique

Jordi Chias / Lunar-tailed bigeye (Priacanthus hamrur) school, Mozambique

Jordi Chias / Lunar-tailed bigeye (Priacanthus hamrur) Addu atoll, Maldives, Indian Ocean.

Alex Mustard / Crescent-tail bigeye (Priacanthus hamrur) shelters next to hard coral (Porites sp.). Beacon Rock, Sha'ab Mahmood, Sinai, Egypt. Red Sea.

Georgette Douwma / Big-eye or Goggle-eye (Priacanthus hamrur) and Crown squirrelfish (Sargocentron diadema) on wreck colonised by corals, Red Sea, Egypt. January.

Alex Mustard / Crescent-tail bigeye (Priacanthus hamrur) on the drop off of Little Brother Island, Egypt. Red Sea