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A small, well-camouflaged cuttlefish, Sepia sp., hovers on a rocky seafloor in the Banda Sea, Indonesia.

A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, Indonesia.

A barred-fin moray eel, Gymnothorax zonipectus, is found on a coral reef in Komodo National Park, Indonesia.

A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea. This part of eastern Indonesia is home to part of the world's greatest marine biodiversity.

A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea. This part of eastern Indonesia is home to part of the world's greatest marine biodiversity.

An orangethroat pike blenny (Chaenopsis alepidota), displays its colors in hopes of attracting a mate, Sea of Cortez.

Marbled grouper from the French Polynesian Islands gather in the South Pass of Fakarava to spawn just once a year, French Polynesia.

Several pink anemones cluster on top of a coral outcropping providing homes for several anemone fish, Maldives.

A reef manta ray (Mobula alfredi), hovers over a reef where small cleaner wrasse will relieve her of her parasites, Maldives.

Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Snow Pass, Alaska, United States of America, North America

Black-legged kittiwake (Rissa tridactyla) feeding on small fish in Tracy Arm, Southeast Alaska, United States of America, North America

Northern (Steller) sea lion (Eumetopias jubatus) bull feeding on fisherman's scraps near Petersburg, Alaska, United States of America, North America

Open sandwiches served at restaurant Langhoff and Juul, Guldsmedgade 30, Latin Quarter, Aarhus, Jutland Peninsula, Denmark, Europe

A longspine grouper (Epinephelus longispinis) being cleaned by a cleaner wrasse (Labroides dimidiatus).

Snorkeler with Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

Fish trawler between the icebergs of the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions

View of massive die-off of black triggerfish on the beach on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

Adult brown pelicans (Pelecanus occidentalis), plunge diving for fish, Isla Carmen, Baja California Sur, Mexico, North America

Adult elegant tern (Thalasseus elegans), plunge diving for fish on Isla Carmen, Baja California Sur, Sea of Cortez, Mexico, North America

Adult elegant tern (Thalasseus elegans), looking for fish on Isla Carmen, Baja California Sur, Sea of Cortez, Mexico, North America

Heads of dry fish for sale at local market, An Giang Province, Mekong Delta, Vietnam, Indochina, Southeast Asia, Asia, Asia

A toadfish patiently waits inside a pipe cavity ready to prey on any fish passing by. A Toadfish is an ambush predator at 95 feet deep in Gulf waters at the Dupont Span One artificial reef about 12 miles off the coast of Panama City Beach, Florida.

A Whitetip Reef Shark laying on the bottom in the sand and looking up at the above approaching photographer in the clear South Pacific ocean off Likuri Island, Fiji.

A Blackside Hawkfish (Paracirrhites forsteri) swims over the red tentacles of a sea fan in the warm clear waters off the coast of Likuri Island, Fiji.

A Blue Spotted Lagoon Fantail Ray (Taeniura lymma) peeking out from under a coral reef ledge, Papua New Guinea.

Close-up of a bicolor damselfish (Stegastes partitus) as it swims up from the coral reef off the coast of Key Largo, Florida.

A Hi Utsuri koi fish swims over the rocky bottom of the clear freshwater of Vortex Spring shoreline in Ponce De Leon, Florida.

A Spotted Trunkfish (Lactophrys bilcaudalis) swims over an algae covered coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

A Spotfin Butterflyfish (Chaetodon ocellatus) feeding off the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

A Porkfish (Anisotremus virginicus) swims by sea plumes out from under a coral reef ledge in the Atlantic Ocean off the coast of Key Largo, Florida.

A Rainbow Parrotfish (Scarus guacamaia) pokes it's head out from a hole in the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.

A large spotted pufferfish swims in for a closer look at the photogrpher's camera off the coast of Key Largo, Florida.

A Gray Angelfish (Pomacanthus arcuatus) swims by diamond and fire corals in the shallow waters of the Atlantic Ocean off the coast of Key Largo, Florida.

A Blue Parrotfish (Scarus coeruleus) swimming up after munching on the coral reef below in the Atlantic Ocean off the coast of Key Largo, Florida.

A Blue Chromis (Chromis cyanea) swims into the current to maintain station over a colorful reef in the Atlantic Ocean off the coast of Key Largo, Florida.

A Neon Goby (Gobiosoma oceanops) takes a look outside its hole in the live boulder star coral (Montastraea annularis), Key Largo, Florida.

A large Goliath Grouper, Epinephelus itajara, effortlessly floats by and over the City of Washington shipwreck in about 60 feet of water off the coast of Key Largo, Florida.