Doug Perrine / Schooling female Scalloped hammerhead shark (Sphyrna lewini), Big Island, Hawaii, Pacific Ocean.
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Magnus Lundgren / Juvenile Ocellaris / Common clownfish (Amphiprion ocellaris) looking out from its home in an anemone, Raja Ampat, West Papua, Indonesia, Pacific Ocean.
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Magnus Lundgren / School of Yellow-ribbon sweetlips (Plectorhinchus polytaenia) swimming with the current, Raja Ampat, Indonesia, Pacific Ocean.
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Henley Spiers / Striped marlin (Kajikia audax) striking a shoal of baitfish during the largest known seasonal aggregation of Marlin, Magdalena Bay, Baja California Sur, Mexico, Pacific Ocean. November 2019
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Henley Spiers / Striped marlin (Kajikia audax) and California sea lion (Zalophus californianus) competing for food as they hunt down baitfish, Magdalena Bay, Baja California Sur, Mexico, Pacific Ocean.
David Fleetham / A Green sea turtle (Chelonia mydas) at surface to breathe, over shallow reef, Hawaii USA.
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David Fleetham / Aerial view of airplane shadow over shallow water near sand bar, with boats in the water. Sumion Island, Cebu, Philippines.
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Alex Mustard / Portrait of a Bigfin reef squid (Sepioteuthis lessoniana) at night above a coral reef. Gam Island, Raja Ampat, West Papua, Indonesia. Dampier Strait, Tropical West Pacific Ocean.
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David Fleetham / Endangered Green sea turtle (Chelonia mydas) stretches neck to be cleaned by Yellow tangs (Zebrasoma flavescens) and Goldring tangs (Ctenochaetus strigosus), North Pacific, Hawaii, USA.
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Doug Perrine / Blue marlin (Makaira nigricans) Vava'u, Kingdom of Tonga, South Pacific
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Tony Wu / Female Northern pygmy squid (Idiosepius paradoxus) depositing eggs on a blade of eelgrass (Zostera marina), Yamaguchi Prefecture, Japan.
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Tony Wu / Female Northern pygmy squid (Idiosepius paradoxus) preparing to lay another egg on a blade of eelgrass (Zostera marina), Yamaguchi Prefecture, Japan.
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Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) yearling pup playing with own air bubbles in shallows, Gardner Islet, Espanola Island, Galapagos, Ecuador
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Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) pups playing at sunrise, Puerto Egas, Santiago Island, Galapagos, Ecuador
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Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female and male on red volcanic beach, Rabida Island, Galapagos, Ecuador
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Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) female resting in shallows, Bainbridge Islets, Galapagos, Ecuador
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Tui De Roy / Galapagos sea lion (Zalophus wollebaeki) pups playing in shallows, Sombrero Chino, Santiago Island, Galapagos, Ecuador
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Claudio Contreras / Guadalupe fur seal (Arctocephalus townsendi) male fighting, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, April
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Solvin Zankl / Blood-red hermit crab (Pagurus edwardsi) around 4cm in size, emerging out of its shell, Comau Fjord, Patagonia, Chile.
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Solvin Zankl / Giant manta ray (Manta birostris) at cleaning station North Raja Ampat, West Papua, Indonesia, Pacific Ocean.
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David Fleetham / Day octopus (Octopus cyanea) female, in mid-water, Hawaii.
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David Fleetham / Day octopus (Octopus cyanea) hiding in the reef, Hawaii.
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Andy Murch / Smooth hammerhead shark (Sphyrna zygaena). Cabo San Lucas, Baja California Sur, Mexico.
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Andy Murch / Scoophead shark (Sphyrna media), released specimen. Isla Chepillo, Rio Bayano, Panama.
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Andy Murch / Red stingray (Hemitrygon akajei) with Banded houndshark (Triakis scyllium) group and smaller fish in background. Chiba Prefecture, Honshu, Japan. September.
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Andy Murch / Rasptail skate (Raja velezi) resting on sea floor. La Paz Bay, Baja California Sur, Mexico.
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Andy Murch / Banded houndshark (Triakis scyllium) group above sea floor. Chiba Prefecture, Honshu, Japan. October.
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David Fleetham / Close up at the dental plates of Three color parrotfish (Scarus tricolor) as it comes in for a bite of hard coral, Fiji.
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Tony Wu / Crab-eye goby (Signigobius biocellatus), mimics crab with eye-spot markings on dorsal fins and back and forth movement. Loloata Island, Papua New Guinea.
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Tony Wu / Harlequin mantis shrimp (Odontodactylus scyllarus), close up of compound eyes. Lembeh Strait, North Sulawesi, Indonesia.
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Wayne Wu Ying / Wild Wonders of China / Indo-Pacific humpback dolphin (Sousa chinensis) Tai O, western side of Lantau Island, Hong Kong, China
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Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) barks a warning as it guards a clutch of developing eggs (beneath it) laid on a small stone, below a fold in its home, a Haddon's sea anemone (Stichoda...
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Mark Carwardine / Fin whale (Balaenoptera physalus), two feeding, aerial view. Baja California, Mexico. March.
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Mark Carwardine / Spinetail devil ray (Mobula mobular), four with rays of light and sparkle of sun on water, aerial view. Sea of Cortez, Baja California, Mexico. March.
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Magnus Lundgren / Juvenile Wunderpus octopus (Wunderpus photogenicus) Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean.
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Tony Wu / Male Korean seahorse (Hippocampus haema) giving birth. Kumamoto Prefecture, Kyushu, Japan.
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Doug Perrine / Black-footed albatross (Phoebastria nigripes) pair at sunset. Sand Island, Midway Atoll National Wildlife Refuge, Papahanaumokuakea Marine National Monument, Northwest Hawaiian Islands, USA.
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Danny Green / Sea otter (Enhydra lutris) female and pup playing. Alaska, USA, February.
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Danny Green / Sea otter (Enhydra lutris) female and pup. Alaska, USA, February.
Brandon Cole / Orca whales (Orcinus orca), three adult male resident killer whales travelling together at sunset. British Columbia, Canada, Pacific Ocean.
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Brandon Cole / Silky shark (Carcharhinus falciformis), feeding on small fish, juvenile Bigeye jacks (Caranx sexfasciatus) in baitball. Baja, Mexico, Pacific Ocean.
