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Crowd of tropical reef fish including scissortail sergeants and grunts, Solomon Islands, Pacific Ocean

Juvenile alligator in swampland (bayou) at Jean Lafitte National Historical Park and Preserve, south of New Orleans, Louisiana, USA

Adult Peale's dolphin (Lagenorhynchus australis), underwater in shallow water near New Island, Falkland Islands, UK Overseas Protectorate, South America

Adult Commerson's dolphins (Cephalorhynchus commersonii), underwater at Carcass Island, Falkland Islands, UK Overseas Protectorate, South America

Adult Commerson's dolphin (Cephalorhynchus commersonii), underwater at Carcass Island, Falkland Islands, UK Overseas Protectorate, South America

Adult Peale's dolphin (Lagenorhynchus australis), underwater in shallow water near New Island, Falkland Islands, UK Overseas Protectorate, South America

Silhouette of dive boat with scuba divers at dive ladders, underwater view, Red Sea, Egypt, North Africa, Africa

Lyretail anthias (Pseudanthias squamipinnis), school over mountain coral, reef, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Scuba diving instructor and student completing hovering skills in shallow water, Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Mountain coral (porites lutea), Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Napoleon wrasse (cheilinus undulatus) juvenile, an endangered species, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Common lionfish (Pterois miles) from below, back-lit by the sun, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Coral substrate forming an underwater cave, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Leopard torpedo ray (Electric ray) (Torpedo panthera), underside view, back-lit by the sun, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Underwater view of a coral encrusted lobster pot on sandy ocean floor, Ras Mohammed National Park, Red Sea, Egypt, North Africa, Africa

Small school of Blotcheye soldierfish (White edged soldier fish) (Myripristis murdjan), Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Common bigeye (Priacanthus hamrur), sheltering next to coral reef, Ras Mohammed National Park, Red Sea, Egypt, North Africa, Africa

Small school of Indian mackerel (Rastrelliger kanagurta) in shallow water, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Small school of Indian mackerel (Rastrelliger kanagurta) in shallow water, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Red Sea Anemone fish (Amphiprion bicinctus) and Bubble anemone (Entacmaea quadricolor), Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Leopard torpedo ray (Electric ray) (Torpedo panthera), underside view, back-lit by the sun, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Bluespotted stingray (Taeniura lymma), front side view, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Spotted eagle ray (Aetobatis narinari) juvenile over sandy ocean floor, from above, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Shark net set in shallow water, Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Scuba diver and instructor performing skills next to coral, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Female scuba diver swimming underneath moored up dive boats, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Common lionfish (Pterois miles) from below, back-lit by the sun, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Tropical coral reef scene with a leafy cup coral (salad coral) (Turbinaria reniformi), Ras Mohammed National Park, off Sharm el Sheikh, Sinai, Egypt, Red Sea, Egypt, North Africa, Africa

Giant trevally (Caranx ignobilis) swimming above sea grass field, Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Green sea turtle (Chelonia mydas) resting on sea grass with on-looking scuba divers, Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Silhouette of moored dive boats with scuba diver swimming underneath, underwater view, Red Sea, Egypt, North Africa, Africa

Red Sea anemonefish pair (Amphiprion bicinctus) and Bubble anemone (Entacmaea quadricolor), Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Shark net set in shallow water, Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Solitary scuba diver in shallow sandy bay, with sun beams, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Common lionfish (Pterois miles), front view, Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Ghardaqa sea star (Fromia ghardaqana), Naama Bay, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Small school of sergeant major fish (Abudefduf vaigiensis) in shallow sandy bay, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Shoal of sardines and scuba diver, Panagsama Beach, Moalboal, Cubu, The Visayas, Philippines, Southeast Asia, Asia

Underwater view of the sandy beach surrounded by palm trees, Morris Bay, Antigua, Antigua and Barbuda, Leeward Island, West Indies, Caribbean, Central America

Blue spotted ribbontail ray (Taeniura lemma) feeds on small creatures under the sand, using its wings to stir up the sand, Marsa Alam, Egypt, North Africa, Africa

Blue spotted ribbontail ray (Taeniura lemma) feed on small creatures under the sand in the Red Sea, Marsa Alam, Egypt, North Africa, Africa

Small scale scorpionfish (Scorpaenopsis oxycephala) (Tassled scorpionfish) in the Red Sea, Marsa Alam, Egypt, North Africa, Africa

A Coconut Octopus (Amphioctopus marginatus), a species that gathers coconut and mollusk shells for shelter, Lembeh Strait, Sulawesi, Indonesia, Southeast Asia, Asia

A Coconut Octopus (Amphioctopus marginatus), a species that gathers coconut and mollusk shells for shelter, Lembeh Strait, Sulawesi, Indonesia, Southeast Asia, Asia

Bigfin reef squid (Sepioteuthis lessoniana), tending eggs which have been laid along a buoy line, taken at dusk, Lembeh Strait, Indonesia, Southeast Asia, Asia

Bigfin reef squid (Sepioteuthis lessoniana), tending eggs which have been laid along a buoy line, taken at dusk, Lembeh Strait, Indonesia, Southeast Asia, Asia

Spotted porcelain crab (Neopetrolisthes maculatus) in anemone, Gorontalo, Sulawesi Indonesia, Southeast Asia, Asia

Short-head sabretooth (fang) blenny (Petroscirtes breviceps), peering from a discarded plastic bottle, Gorontalo, Indonesia, Southeast Asia, Asia

A Coconut Octopus (Amphioctopus marginatus), a species that gathers coconut and mollusk shells for shelter, Lembeh Strait, Sulawesi, Indonesia, Southeast Asia, Asia

A Coconut Octopus (Amphioctopus marginatus), a species that gathers coconut and mollusk shells for shelter, Lembeh Strait, Sulawesi, Indonesia, Southeast Asia, Asia

A juvenile hairy frogfish (Antennarius striatus) of approximately 5mm long, Lembeh Strait, Indonesia, Southeast Asia, Asia

Bigfin reef squid (Sepioteuthis lessoniana) tending eggs which have been laid along a buoy line, taken at dusk, Lembeh Strait, Indonesia, Southeast Asia, Asia

Close-up head on view of a hawksbill sea turtle (Eretmochelys imbricata), Bunaken National Park, Sulawesi, Indonesia, Southeast Asia, Asia

Colorful soft corals (Dendronephthya sp.) adorn the stunning reefs of southern Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Close-up view of a Hawksbill sea turtle next to a red sea fan on a reef in Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Close-up view of the underside of a Hawksbill sea turtle, complete with barnacles, on a reef in Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

The reef manta ray (Manta alfredi) with yellow pilot fish in front of its mouth, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

Underside view of a giant oceanic manta ray (Mobula birostris), Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

A giant oceanic manta ray (Manta birostris) with beautiful distinct markings, topside view, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

A bright pink purple paddle-flap scorpionfish {Rhinopias eschmeyeri) on volcanic sand, Tulamben, Bali, Indonesia, Southeast Asia, Asia

Yellow painted frogfish (Antennarius pictus), side profile on volcanic sand, Tulamben, Bali, Indonesia, Southeast Asia, Asia

Hairy squat lobster (Lauriea siagiani) amongst a pink and orange colored sponge, Tulamben, Bali, Indonesia, Southeast Asia, Asia

A pair of white striped cleaner shrimp (Lysmata amboinensis), Tulamben, Bali, Indonesia, Southeast Asia, Asia

Sea nettle jellyfish (chrysaora fuscescens), Monterey Aquarium, California, United States of America, North America