Close up of a Common giant clam (Tridacna maxima). Na'ama Bay, 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.

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

Starry puffer (Arothron stellatus) resting on a mooring drum. Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

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

Hard coral growth on the wreck of the Kormoran. Laguna Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Broccoli coral (Dendronephthya klunzingeri). Jackson Reef, 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.

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

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

Net fire coral (Millepora dichotoma). Shark and Yolanda, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Dogtooth tuna (Gymnosarda unicolor). Jackfish Alley, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

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

Seagrass ghost pipefish (Solenostomus cyanopterus) close-up. Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt. (rr)

Seagrass ghost pipefish (Solenostomus cyanopterus). Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt. (rr)

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

Napoleon wrasse (Cheilinus undulatus). Species endangered. Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Green turtle (Chelonia mydas) with Striped remora (Echeneis naucrates). Species endangered. Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt. (rr)

Diver observing coral wall. Shark observatory, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Divers heading out for a dive. Ras Katy, 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

Lobophyllia corymbosa. Na'ama Bay, Sharm El Sheikh, South Sinai, Red Sea, Egypt.