1387-950 - Golden cuttlefish, Lembeh Strait, Indonesia.

1387-951 - A pair of pink nudibranchs, Lembeh Strait, Indonesia.

1387-1161 - Colourful squid at night, Lembeh Strait, North Sulawesi, Indonesia.

1387-1159 - Head-on portrait of purple anthias (Pseudanthias tuka) in black water, Manado, North Sulawesi, Indonesia.

1387-1158 - Pair of pink skunk clownfish (Amphiprion perideraion) nestled in a round bright orange anemone, Manado, North Sulawesi, Indonesia.

1387-1135 - Three pink anemonefish in a circular pink anemone, North Sulawesi, Indonesia.

1387-1130 - Detail of the green speckled eye of a juvenile porcupinefish, Lembeh Strait, North Sulawesi, Indonesia.

1387-1129 - Underwater photographer at the entrance of a cave framed by pink barrel sponges, North Sulawesi, Indonesia.

1387-1128 - Green sea turtle (Chelonia mydas) resting on a plate coral, North Sulawesi, Indonesia.

1387-1127 - Green sea turtle (Chelonia mydas) on a ledge with a red gorgonian sea fan, North Sulawesi, Indonesia.

1387-1126 - Orange and white clownfish inside a red and green anemone, North Sulawesi, Indonesia.

1387-1115 - Pink hairy squat lobster (Lauriea siagiani) inside a pink barrel sponge, Lembeh Strait, Bitung, North Sulawesi, Indonesia.

1387-1110 - Mimic octopus parachuting down, Lembeh Strait, North Sulawesi, Indonesia.

1387-1107 - Gold-speck jawfish mouth wide open, Lembeh Strait, Bitung, North Sulawesi, Indonesia.

1387-593 - A green sea turtle swims by a reef under the sun, North Sulawesi, Indonesia.

1387-520 - Flamboyant cuttlefish embryos, Metasepia pfefferi, wait to hatch from their eggs on the sandy seafloor in Lembeh Strait, Indonesia.

1387-519 - Flamboyant cuttlefish embryos, Metasepia pfefferi, wait to hatch from their eggs on the sandy seafloor in Lembeh Strait, Indonesia.

1387-517 - A colorful flamboyant cuttlefish, Metasepia pfefferi, crawls across the sandy seafloor in Lembeh Strait, Indonesia.

1387-516 - A velvetfish, Paraploactis sp., waits for prey to swim by in Lembeh Strait, Indonesia.

1387-514 - A well-camouflaged Mototi octopus, Octopus sp., hides in plain view on the sandy seafloor in Lembeh Strait, Indonesia.

1387-513 - A bigfin reef squid, Sepioteuthis lessoniana, hovers midwater in Lembeh Strait, Indonesia.

1387-512 - A unidentified juvenile lionfish hovers above the seafloor in Lembeh Strait, Indonesia.

1387-511 - A hairy frogfish, Antennarius striatus, lies on the dark, sandy seafloor in Lembeh Strait, Indonesia.

1387-509 - A blue starfish, Linkia laevigata, clings to coralline algae on a reef in Sulawesi, Indonesia.

1387-510 - A broadclub cuttlefish, Sepia latimanus, hovers above a reef in Sulawesi, Indonesia.

1387-508 - A bleached magnificent sea anemone is found on a reef off the coast of Sulawesi in Indonesia. Bleaching is usually associated with higher than normal sea temperatures.

1387-507 - Healthy corals and other invertebrates thrive on a reef in Sulawesi, Indonesia.

1387-505 - Detail of a sponge growing on a reef in Lembeh Strait, Indonesia.

1387-504 - A well-camouflaged ornate ghost pipefish, Solenostomus paradoxus, hovers over a reef in Komodo National Park, Indonesia.

1387-503 - A well-camouflaged ornate ghost pipefish, Solenostomus paradoxus, hovers over a reef in Komodo National Park, Indonesia.

1387-497 - A Wonderpus, Wunderpus photogenicus, hunts for prey on the sandy seafloor in Lembeh Strait, Indonesia.

1387-421 - An unidentified sea snake hunts in a shallow seagrass meadow in Wakatobi National Park, Indonesia.

1387-419 - Colorful chocolate chip sea stars, Protoreaster nodosus, cover the seafloor in a seagrass meadow in Wakatobi National Park, Indonesia.

1387-416 - A large banded sea snake, Laticauda colubrina, sinuously swims over a beautiful reef in Wakatobi National Park, Indonesia.

1387-417 - An adult male green sea turtle, Chelonia mydas, swims in the dark waters near a reef in Wakatobi National Park, Indonesia.

1387-415 - Detail of a mushroom coral, Fungia sp., growing on a beautiful reef in Wakatobi National Park, Indonesia.

1387-414 - A pink anemonefish, Amphiprion perideraion, swims above its beautiful host anemone in Wakatobi National Park, Indonesia.

1387-396 - A porcelain crab sits on its host anemone in Lembeh Strait, Indonesia.

1387-395 - Detail of the mouth on a mushroom coral (Fungia sp.) in Lembeh Strait, Indonesia.

1387-394 - Detail of a warty starfish on the seafloor of Lembeh Strait, Indonesia.

1387-392 - A fire worm crawls across the seafloor of Lembeh Strait, Indonesia.

1387-393 - Abstract of the tentacles on a bulbed-anemone (Entacmaea quadricolor) in Lembeh Strait, Indonesia.

1387-391 - A ribbon eel opens its jaws in Lembeh Strait, Indonesia.

1387-389 - Detail of an anchor coral (Euphyllia ancora) growing in Lembeh Strait, Indonesia.

1387-387 - Detail of the polyps of a Goniopora coral growing in Lembeh Strait, Indonesia.

1387-385 - Unidentified mollusk eggs lay on the seafloor of Lembeh Strait, Indonesia.

1387-386 - A harlequin swimming crab (Lissocarcinus laevis) sits on the seafloor of Lembeh Strait, Indonesia.

1387-384 - Detail of an encrusting sponge growing in Lembeh Strait, Indonesia.

1387-383 - Abstract of the mouth of a Trachyphyllia coral growing in Lembeh Strait, Indonesia.

1387-380 - A colorful bouquet of tunicates grows on the seafloor of Lembeh Strait, Indonesia.

1387-379 - A colorful bouquet of tunicates grows on the seafloor of Lembeh Strait, Indonesia.

1387-377 - A pair of harlequin shrimp (Hymenocera elegans) lie in a small recess on the seafloor of Lembeh Strait, Indonesia.

1387-374 - A juvenile many-spotted sweetlips (Plectorhinchus chaetodonoides) feeds on a small fish near the seafloor in Lembeh Strait, Indonesia.

1387-373 - A coconut octopus (Amphioctopus marginatus) clings to shells on the seafloor in Lembeh Strait, Indonesia.

1387-371 - A coconut octopus (Amphioctopus marginatus) clings to shells on the seafloor in Lembeh Strait, Indonesia.

1387-372 - A young painted frogfish (Antennarius pictus) sits on the volcanic seafloor of Lembeh Strait, Indonesia.

1387-369 - A colorful scorpionfish waits to ambush prey on the seafloor of Lembeh Strait, Indonesia.

1387-368 - A beautiful nudibranch (Glossodoris rufomarginata) crawls across the black sand seafloor in Lembeh Strait, Indonesia.

1387-367 - A beautiful nudibranch (Halgerda batangas) crawls across the black sand seafloor in Lembeh Strait, Indonesia.

1387-366 - A beautiful nudibranch (Glossodoris cincta) crawls on the black sand seafloor in Lembeh Strait, Indonesia.

1387-365 - A baby broadclub cuttlefish (Sepia latimanus) hovers in Lembeh Strait, Indonesia.

1387-362 - Saddleback anemonefish embryos develop on the seafloor of Lembeh Strait, Indonesia.

1387-361 - A shortfin lionfish (Dendrochirus brachypterus) waits for prey on the seafloor of Lembeh Strait, Indonesia.

1387-360 - Detail of the eye on a blacksaddle snake eel (Ophichthus cephalozona) in Lembeh Strait, Indonesia.

1387-296 - A translucent shrimp (Vir philippinensis) crawls on bubble coral in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-295 - A pink anemonefish (Amphiprion perideraion) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-294 - Christmas tree worms (Spirobranchus giganteus) grow on a coral reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-292 - A shallow coral reef thrives in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-293 - A banded sea snake (Laticauda colubrina) swims at the surface in Wakatobi National Park, Indonesia. This is one of the most venomous snakes in the world.

1387-291 - A small red starfish clings to coralline algae in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-290 - Detail of the texture on a mushroom coral (Fungia sp.) growing in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-289 - A pink anemonefish (Amphiprion perideraion) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-288 - Detail of the colorful dorsal fin of a scorpionfish (Scorpaenopsis sp.) in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-287 - Colorful tunicates and soft corals grow on a reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-285 - A lionfish (Pterois volitans) swims along the edge of a beautiful reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-286 - Colony of tunicates grow on a reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-284 - Detail of a stony coral (Galaxea sp.) growing in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

1387-283 - A spine-cheeked anemonefish (Premnas biaculeatus) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia.

1387-264 - Crinoids cling to a large sponge on a healthy coral reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

1387-263 - A camouflaged horned flathead (Thysanophrys carbunculus) lays hidden on a sandy slope near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

1387-262 - A colorful nudibranch (Nembrotha kubaryana) crawls slowly across a reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

1387-244 - A hairy frogfish (Antennarius striatus) uses its incredible camouflage to successfully capture prey in Lembeh Strait, Indonesia.

1387-219 - Vibrant soft coral colonies grow on a reef dropoff in Lembeh Strait, Indonesia. This area is known for its spectacular marine biodiversity.

1387-218 - A pair of colorful tunicates grows on a reef in Lembeh Strait, Indonesia. This is a filter-feeding organism.

1387-217 - A Clark's anemonefish (Amphiprion clarkii) snuggles amongst its host's tentacles on a reef in Lembeh Strait, Indonesia.

1387-215 - A diverse array of corals grow in Raja Ampat, Indonesia. This beautiful region is known for its spectacular reefs and high marine biodiversity.

1387-198 - A thorny seahorse (Hippocampus histrix) uses effective camouflage to blend into its surroundings on the seafloor of Lembeh Strait, Indonesia.

1387-197 - A Clark's anemonefish (Amphiprion clarkii) snuggles amongst its host's tentacles on a reef in Lembeh Strait, Indonesia.

1387-196 - Detail of anchor coral tentacles (Euphyllia sp.) growing on a reef in Indonesia. This area is known for its high marine biodiversity.

1387-189 - A beautiful nudibranch (Halgerda batangas) crawls on the sandy seafloor of Lembeh Strait, Indonesia. Lembeh Strait is known for its diverse array of bizarre marine organisms.

1387-179 - 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

1387-178 - A giant oceanic manta ray (Manta birostris) with beautiful distinct markings, topside view, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-177 - Underside view of a giant oceanic manta ray (Mobula birostris), Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-176 - The reef manta ray (Manta alfredi) with yellow pilot fish in front of its mouth, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-175 - Close-up view of the underside of a Hawksbill sea turtle, complete with barnacles, on a reef in Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-174 - 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

1387-173 - Schooling brownstripe snapper (Lutjanus vitta), Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-171 - Close-up view of a lionfish (Pterois volitans), Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-172 - Colorful soft corals (Dendronephthya sp.) adorn the stunning reefs of southern Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-170 - Close-up head on view of a hawksbill sea turtle (Eretmochelys imbricata), Bunaken National Park, Sulawesi, Indonesia, Southeast Asia, Asia