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Colourful Crinoids and Solt Corals at Hanging Gardens, Sipadan Island, Sabah, Malaysia
Crowd of tropical reef fish including scissortail sergeants and grunts, Solomon Islands, Pacific Ocean
Coral reef and diver, off Sharm el Sheikh, Sinai, Red Sea, Egypt, North Africa, Africa
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
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
Spotted eagle ray (Aetobatis narinari) juvenile over sandy ocean floor, from above, Naama Bay, 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
Shoal of sardines and scuba diver, Panagsama Beach, Moalboal, Cubu, The Visayas, Philippines, Southeast Asia, Asia
Large Nassau grouper, Bahamas, West Indies, Central America
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
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
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
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
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
Holding a stingray, Antigua, West Indies, Caribbean, Central America
Two sea lions off Floreana Island, Galapagos, Ecuador, South America
A moon jellyfish catches the sunlight, Antigua, Leeward Islands, West Indies, Caribbean, Central America
A freediver plays with a stingray, Antigua, West Indies, Caribbean, Central America
Dense swarms of juvenile squat lobster (Munida gregaria) off Akaroa, South Island, New Zealand, Pacific
Hinge beak shrimp (Hinge beak prawn) (Rhynchocinetes sp.) emerges to feed at night, Matangi Island, Vanua Levu, Fiji, Pacific
Dusky anenomefish (Amphiprion melanomas) dominant female, lives in symbiotic association with its host anemone, Matangi Island, Vanua Levu, Fiji, Pacific
Leopard shark, Dimaniyat Islands, Gulf of Oman, Oman, Middle East
Crown of thorns starfish, Dimaniyat Islands, Gulf of Oman, Oman, Middle East
Large cuttle fish at the Aquarium, Dimaniyat Islands, Gulf of Oman, Oman, Middle East
Free spotted eel, Dimaniyat Islands, Gulf of Oman, Oman, Middle East
Scuba diver with False clown anenomefish (Amphiprion ocellaris) and anemone, Magnificent Sea Anemone (Heteractis magnifica), Cairns, Queensland, Australia, Pacific
Free diving snorkeller and sunburst on the Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific
Hard and soft coral landscape scenic at Thetford Reef on the Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific
Small fish hides in the venomous spines of a crown of thorns starfish (Acanthaster planci), Cairns, Queensland, Australia, Pacific
Scuba diver swimming with Gopro in coral landscape scenic at Thetford Reef on the Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific
Adult Galapagos penguin (Spheniscus mendiculus) underwater, Bartolome Island, Galapagos Islands, Ecuador, South America
Flightless cormorant (Nannopterum harrisi) hunting underwater, Tagus Cove, Isabela Island, Galapagos Islands, Ecuador, South America
Adult Galapagos penguin (Spheniscus mendiculus) underwater, Bartolome Island, Galapagos Islands, Ecuador, South America
Galapagos sea lions (Zalophus wollebaeki) underwater, Guy Fawkes Islands, Galapagos Islands, Ecuador, South America
Galapagos sea lion (Zalophus wollebaeki) underwater, Champion Island, Galapagos Islands, Ecuador, South America
Spotted eagle ray (Aetobatus narinari) underwater, Leon Dormido Island, San Cristobal Island, Galapagos Islands, Ecuador, South America
Nembrotha purpureolineata nudibranch, Komodo, Indonesia, Southeast Asia, Asia
Clark's anemonefish (Amphiprion clarkii), Komodo, Indonesia, Southeast Asia, Asia
Jack fish in HDR, Bahamas, West Indies, Central America
Thread fin butterflyfish (Chaetodon auriga), usually seen in pairs, Queensland, Australia, Pacific
Striped sweetlips (diagonal banded sweetlips) (Plectorhinchus lineatus), North Ribbon Reef, Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific
Schooling yellow-striped goatfish (Mulloidichthys vanicolensis). Great Barrier Reef, Queensland, Australia, Pacific
Longnose butterflyfish (Forcipiger flavissimus), adapted to feed in crevices in the reef and snips off soft pieces of corals, Queensland, Australia, Pacific
Colourful reef fish (Orange and purple anthias sp.) plus Leopard Coral grouper (Plectropomus leopardus) with hard and soft corals on reef, Queensland, Australia, Pacific
Potato cod (Epinephelus tukula) (potato grouper) (potato bass), Cod Hole, North Ribbon reef, Great Barrier Reef, Queensland, Australia, Pacific
Mantis shrimp (Gonodactylus sp.), a hole dwelling crustacean, Queensland, Australia, Pacific
Colourful, coral covered Reef wall at Osprey Reef, Longfin banner fish (Heniochus acuminatus), Coral Sea, Queensland, Australia, Pacific
Blooming moon jellyfish (Aurelia aurita), Pond Island in Kelp Bay, Baranof Island, southeast Alaska, United States of America, North America
Giant trevally (Caranx ignobilis), at One Foot Island, Aitutaki, Cook Islands, South Pacific Islands, Pacific
Giant trevally (Caranx ignobilis), with photographer at One Foot Island, Aitutaki, Cook Islands, South Pacific Islands, Pacific
Giant trevally (Caranx ignobilis), at One Foot Island, Aitutaki, Cook Islands, South Pacific Islands, Pacific
Whale shark (Rhincodon typus) with rainbow runner observed by a tourist and guide in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Whale shark (Rhincodon typus) below a banca boat in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Whale shark (Rhincodon typus) beneath a banca tour boat in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Whale shark (Rhincodon typus) below a banca boat in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Tourist snorkelling with a whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Snorkeller swimming with a juvenile whale shark (Rhincodon typus) in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Spinetail devil rays (Mobula mobular) engaged in sexual courtship in Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Oceanic manta ray (Manta birostris) feeding near the surface, Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Bluespotted stingray (Taeniura lymma), front side view, 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
Nassau grouper, Bahamas, West Indies, Central America
Dense swarms of juvenile squat lobster (Munida gregaria) off Akaroa, South Island, New Zealand, Pacific
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
A Coconut Octopus (Amphioctopus marginatus), a species that gathers coconut and mollusk shells for shelter, Lembeh Strait, Sulawesi, Indonesia, Southeast Asia, Asia
Strap-weed filefish (Pseudomonacanthus macrurus), Tulamben, Bali, Indonesia, Southeast Asia, Asia
A sea lion in the shallow waters around Rabida Island, Galapagos, Ecuador, South America
A flame tip hermit crab (Calcinus minutus), found in branching hard coral, Yap, Micronesia, Pacific
A cleaner shrimp (Lysmata amboinensis) inspecting a honeycomb moray eel (Gymnothorax favageneus), Philippines, Southeast Asia, Asia
Blacktip reef shark (Carcharhinus melanopterus), Yap, Micronesia, Pacific
A hard coral reef along with schooling anthias and reef fish, Crystal Bay, Bali island, Indonesia, Southeast Asia, Asia
Leopard shark, Dimaniyat Islands, Gulf of Oman, Oman, Middle East
Alcyonaria coral with schooling anthias dominate this Fijian reef scene, Fiji, South Pacific, Pacific
Bat fish in HDR, shot in the Turks and Caicos Islands, West Indies, Central America
Whale shark (Rhincodon typus) with a shoal of red fish evading predation, Honda Bay, Palawan, The Philippines, Southeast Asia, Asia
Whale shark (Rhincodon typus) with boat propeller injury, Honda Bay, Palawan, The Philippines, 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
Close-up view of a lionfish (Pterois volitans), 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
A giant oceanic manta ray (Manta birostris) with beautiful distinct markings, topside view, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia
Schooling yellowmask surgeonfish (Acanthurus mata) and blue and yellow fusilier fish (Caesio teres) at the upstream side of Mike's Point, Raja Ampat, Indonesia, Southeast Asia, Asia
Hairy squat lobster (Lauriea siagiani) amongst a pink and orange colored sponge, Tulamben, Bali, Indonesia, Southeast Asia, Asia