Lyretail anthias (Pseudanthias squamipinnis) on reef. Shark and Yolanda, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Red Sea anemone fish (Amphiprion bicinctus) in Magnificent anemone (Heteractis magnifica). Anemone City, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Bubble coral (Plerogrya sinuosa). Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Hawksbill turtle (Eretmochelys imbricata) Species Critically Endangered. Woodhouse Reef; Sharm El Sheikh; South Sinai; Red Sea; Egypt

Bubble coral (Plerogrya sinuosa) with polyps visible at night. Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Bullethead parrotfish (Chlorurus sordidus). Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Risso's dolphins (Grampus griseus) sunbathing on the surface. Woodhouse Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Yellow lip shield slugs (Chelidonura flavolobata). Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Stonefish (Synanceia verrucosa). Jackson Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Yellow lip shield slug couple, mating (Chelidonura flavolobata). Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Twin-spot snapper (Lutjanus bohar) school Shark and Yolanda; Ras Mohamed National Park; Sharm El Sheikh; South Sinai; Red Sea; Egypt.

Soft coral (Dendronephthya klunzingeri). Woodhouse Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Crocodile fish (Papilloculiceps longiceps). Jackson Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt

Diver observing Soft corals. Shark and Yolanda, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Bearded scorpion fish (Scorpaenopsis barbata). Jackson Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt

Yellow boxfish (Ostracion cubicus). Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Diver observing the reef. Ras Ghozlani, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Crown-of-thorns starfish (Acanthaster planci). Ras Ghozlani, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Bluespotted stingray (Taeniura lymma) resting in the sand. Jackson Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Crocodilefish (Papilloculiceps longiceps) resting on reef. Woodhouse Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Red Sea anemone fish (Amphiprion bicinctus) in a Magnificent anemone (Heteractis magnifica). Anemone City, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Mountain coral (Porites lutea) with diver exiting the water at the surface. Ras Umm Sid, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Bighorn nembrotha (Nembrotha megalocera). Ras Ghozlani, Ras Mohamed National Park, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Anchor chain of the Kormoran wreck. Laguna Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.