Alex Mustard / Large school of Bohar snappers (Lutjanus bohar) which have gathered in the summer in the Red Sea for spawning. Each fish is between 60 and 80cm long. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt...

Alex Mustard / School of large Bohar snappers (Lutjanus bohar) gathered in spawning aggregation off Ras Mohammed, Sinai, Egypt. Red Sea.

Alex Mustard / Large school of Bohar snappers (Lutjanus bohar) gather with smaller shoal of Batfish (Platax orbicularis) in open water off Ras Mohammed at the tip of Sinai, Egypt. These schools gather only in summer...

Alex Mustard / School of Batfish (Platax orbicularis) in front of Bohar snappers (Lutjanus bohar) as the wall at Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.

Noemie Stroh / Red snapper (Lutjanus bohar) aggregation during mating season, Ras Mohamed National Park, Red Sea, Egypt. July.

Alex Mustard / Schools of fish, including Bohar snappers (Lutjanus bohar), Yellow-spotted trevally (Carangoides orthogrammus) and Bigeye trevally (Caranx sexfasciatus) gathering adjacent to a colourful coral reef wi...

Henley Spiers / Red snapper (Lutjanus bohar) in foreground and other reef fish in background including Napoleon wrasse (Cheilinus undulatus) feeding on discarded fish, Misool, Raja Ampat, Indonesia, Pacific Ocean

Tony Wu / Reef manta ray (Mobula alfredi) swimming with a Twinspot snapper (Lutjanus bohar), Okinawa, Japan, Pacific Ocean.