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Mangrove roots, Seychelles, Indian Ocean
Colourful Crinoids and Solt Corals at Hanging Gardens, Sipadan Island, Sabah, Malaysia
Featherstars perch on the edge of Gorgonian Sea Fans to feed in the current, Fiji, Pacific Ocean
Crowd of tropical reef fish including scissortail sergeants and grunts, Solomon Islands, Pacific Ocean
Featherstars perch on the edge of Gorgonian Sea Fans to feed in the current, Fiji, Pacific Ocean
Scuba Diver and Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia
Juvenile alligator in swampland (bayou) at Jean Lafitte National Historical Park and Preserve, south of New Orleans, Louisiana, USA
Shoal of Smallmouth Grunts, Haemulon chryargyreum, Caribbean Sea, Dominica
Air Bubbles in Ocean, Guadalupe Island, Mexico
Air Bubbles in Ocean, Guadalupe Island, Mexico
Reef of Table Corals, Acropora sp., Felidhu Atoll, Maldives
California Sea Lion, Zalophus californianus, Cedros Island, Mexico
Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico
California Sheephead Wrasse, Semicossyphus pulcher, San Benito Island, Mexico
Broadclub Cuttlefish, Sepia latimanus, Great Barrier Reef, Australia
Underwater diver swimming above reef, with orange sea fan, Similan Island, Thailand, Asia
Coral reef and diver, off Sharm el Sheikh, Sinai, Red Sea, Egypt, North Africa, Africa
Young girl swimming underwater
Young boy swimming underwater
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
Common lionfish (Pterois miles) from below, back-lit by the sun, 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
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
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
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
Fakarawa, Tuamotu Archipelago, French Polynesia, Pacific Islands, Pacific
Tikehau, Tuamotu Archipelago, French Polynesia, Pacific Islands, Pacific
Tikehau, Tuamotu Archipelago, French Polynesia, Pacific Islands, Pacific
Shoal of sardines and scuba diver, Panagsama Beach, Moalboal, Cubu, The Visayas, Philippines, Southeast Asia, Asia
Seaplane from the James Bond film, Bahamas, West Indies, Central America
Seaplane from the James Bond film, Bahamas, West Indies, Central America
Nassau grouper, Bahamas, West Indies, Central America
Large Nassau grouper, Bahamas, West Indies, 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
Typical healthy Red Sea hard coral reef landscape, Marsa Alam, Egypt, North Africa, Africa
Typical healthy Red Sea hard coral reef landscape, 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
Papuan scorpionfish lying on a reef, Kimbe Bay, Papua New Guinea, Pacific
Hawksbill sea turtle, Kimbe Bay, Papua New Guinea, Pacific
Coral grouper, Kimbe Bay, Papua New Guinea, Pacific
A colony of red whip fan corals with crinoids, Papua New Guinea, Pacific
Common lionfish (Pterois volitans), full body view, Solomon Islands, South Pacific, Pacific
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
Short-head sabretooth (fang) blenny (Petroscirtes breviceps), peering from a discarded plastic bottle, Gorontalo, Indonesia, Southeast Asia, Asia
Close-up head on view of a hawksbill sea turtle (Eretmochelys imbricata), Bunaken National Park, Sulawesi, 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
Thorny seahorse (Hippocampus histrix), side view, red and pink with yellow markings, Tulamben, Bali, Indonesia, Southeast Asia, Asia
Sea nettle jellyfish (chrysaora fuscescens), Monterey Aquarium, California, United States of America, North America
Closeup of suckers and teeth rings on the tentacles of Humboldt (Jumbo) squid (Dosidicus gigas), Gulf of California, Baja California, Mexico, North America
Humboldt (Jumbo) squid (Dosidicus gigas) underwater, Gulf of California, Baja California, Mexico, North America
Buccal cavity (mouth) and tentacles of Humboldt (Jumbo) squid (Dosidicus gigas), Gulf of California, Baja California, Mexico, North America
Humboldt (Jumbo) squid (Dosidicus gigas) swimming at night, Gulf of California, Baja California, Mexico, North America
Manta ray (Manta birostris) feeding on zooplankton by extending its cephalic lobes, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Whale shark (Rhincodon typus) feeding at the surface on zooplankton, mouth open, known as ram feeding, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Male manta ray with almost pure white ventral surface, may be a new species, for now known as Manta alfredi, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Eagle rays (Mobula hypostoma) common in this area and often seen feeding on zooplankton in large groups, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Scientist and whale shark (Rhincodon typus) feeding at the surface on zooplankton, mouth open, known as ram feeding, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Manta ray (Manta birostris) feeding on zooplankton by extending its cephalic lobes, Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Scientist free diving to make a photo identification of an individual manta ray (Manta birostris), Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America
Schooling Bigeye trevally (Caranx sexfasciatus) (jacks), Sipadan Island, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Diver swimming underwater along the wall at Sipadan Island, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Diver swimming underwater with Bigeye trevally (Caranx sexfasciatus) (jacks) at Sipadan Island, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
The yellow moray eel (Gymnothorax melatremus) living in an artificial reef under an oil rig near Mabul Island, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Woman snorkeling in The Maldives, Indian Ocean, Asia
Juvenile cuttlefish (Sepia latimanus) less than 3 cm long shelters in the arms of a crinoid (featherstar), Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Great barracuda (Sphyraena barracuda) (giant barracuda) can grow up to 1.8 metres long, under pier, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Stonefish (Synanceia verrucosa) is extremely venomous, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Green sea turtles (Chelonia mydas) common around Pom Pom Island, an important nesting grounds for these marine turtles, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Short dragonfish (sea moth) (Dragon sea moth) (Europegasus draconis), Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
False clown anenomefish (Amphiprion ocellaris) in the tentacles of its host anemone, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Leaf fish (Taenianotus Triacanthus), an ambush predator found amonst corals, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Giant Frogfish (Antennarius commersonii) can grow to 30 cm and is commonly encountered by divers, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
The popcorn shrimp (Periclimenes kororensis) in fungid coral (Heliofungia actiniformis) (mushroom coral), Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
Burrowing snake eel (Pisodonophis cancrivoris) in the sand, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia
A sea lion in the shallow waters around Rabida Island, Galapagos, Ecuador, South America