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Colony of Sea Lion, Fur Seal and Elephant Seal, Zalophus californianus, Mirounga angustirostris, Arctocephalus townsendi, Cedros Island, Mexico

Lyretail anthias (Pseudanthias squamipinnis), school over mountain coral, reef, 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

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

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

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

Red Sea anemonefish pair (Amphiprion bicinctus) and Bubble anemone (Entacmaea quadricolor), 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

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

Biologist taking skin sample from a whale shark to determine what plankton types the animal has been feeding on, 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

Walrus (Odobenus rosmarinus) close-up of face, tusks and vibrissae (whiskers), hauled out on pack ice to rest and sunbathe, Nunavut, Canada, North America

Walrus (Odobenus rosmarus) hauled out on pack ice to rest and sunbathe, Foxe Basin, Nunavut, Canada, North America

Walrus (Odobenus rosmarinus) females with baby hauled out on pack ice to rest and sunbathe, Foxe Basin, Nunavut, Canada, North America

Two walrus (Odobenus rosmarinus,) close-up of face, tusks, and vibrissae (whiskers), hauled out on pack ice to rest and sunbathe, Foxe Basin, Nunavut, Canada, North America

Walrus (Odobenus rosmarus) hauled out on pack ice to rest and sunbathe, Foxe Basin, Nunavut, Canada, North America

Schooling Bigeye trevally (Caranx sexfasciatus) (jacks), 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

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

Great white shark (Carcharodon carcharias) at the surface at Kleinbaai in the Western Cape, South Africa, Africa

Tourist photographing Southern Right whale (Eubalaena australis) mother and calf, from Marine Dynamics whale watching boat, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias) at the surface at Kleinbaai in the Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias) at the surface at Kleinbaai in the Western Cape, South Africa, Africa

Cape fur seal colony (Arctocephalus pusillus) at Geyser Island, Dyer Island offshore from Klein baai, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Antarctic Minke whale (Balaenoptera bonaerensis), Booth Island, Antarctica, Southern Ocean, Polar Regions

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Common dolphin (Delphinus capensis), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Great white shark (Carcharodon carcharias), Seal Island, False Bay, Simonstown, Western Cape, South Africa, Africa

Antarctic Minke whale (Balaenoptera bonaerensis), Booth Island, Antarctica, Southern Ocean, Polar Regions

Type B killer whales (Orcinus orca) travelling and socializing in Lemaire Channel near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type A killer whale (Orcinus orca) bull, traveling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Type A killer whales (Orcinus orca) travelling and socializing in Gerlache Strait near the Antarctic Peninsula, Southern Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) pup, Grytviken Whaling Station, South Georgia, South Atlantic Ocean, Polar Regions

Southern right whale (Eubalaena australis) being fed upon by kelp gull (Larus dominicanus), Golfo Nuevo, Peninsula Valdes, Argentina, South America

Southern right whale (Eubalaena australis) calf being harassed by kelp gull (Larus dominicanus), Golfo Nuevo, Peninsula Valdes, Argentina, South America

Adult Peale's dolphin (Lagenorhynchus australis) bow-riding, New Island, Falkland Islands, South Atlantic Ocean, South America

Adult Peale's dolphin (Lagenorhynchus australis) bow-riding, New Island, Falkland Islands, South Atlantic Ocean, South America

Adult Peale's dolphin (Lagenorhynchus australis) bow-riding, New Island, Falkland Islands, South Atlantic Ocean, South America

Western clown anemonefish (Amphiprion ocellaris) and sea anemone (Heteractis magnifica), Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia

Western clown anemonefish (Amphiprion Ocellaris) and sea anemone (Heteractis magnifica), Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia

Anemonefish (Amphiprion ocellaris) and sea anemone, Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia

Western clown anemonefish (Amphiprion ocellaris) and sea anemone (Heteractis magnifica), Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia

Hairy hermit crab (Aniculus elegans), Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia

Western clown anemonefish (Amphiprion ocellaris) and sea anemone (Heteractis magnifica), Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia

Blue candy nudibranch (Phyllida varicosa), Southern Thailand, Andaman Sea, Indian Ocean, Southeast Asia, Asia