Doug Perrine / Bioluminescence from glowing plankton in sea tide line on beach, with stars above and ship lights on horizon, Vaadhoo Island, Raa Atoll, Maldives, Indian Ocean, October 2010

Doug Perrine / Bryde's whale {Balaenoptera brydei / edeni} with throat pleats expanded after feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico, Eastern Pacific Ocean. Veolia Environnement...

Doug Perrine / Spotted eagle ray from underneath {Aetobatus narinari} Caribbean Sea (Non-ex).

Doug Perrine / Great white shark jaws open at surface {Carcharodon carcharias} South Africa (Non-ex).

Doug Perrine / Dugong or Sea cow (Dugong dugon) split level view, Calauit Island, off Busuanga, Calamian Islands, Palawan, Philippines.

Doug Perrine / Pacific leatherback sea turtle (Dermochelys coriacea) a critically endangered species, Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean

Doug Perrine / Female scalloped hammerhead shark, Sphyrna lewini, off Keauhou, South Kona, Big Island, Hawaii, USA ( Central Pacific Ocean )

Doug Perrine / Female scalloped hammerhead shark, (Sphyrna lewini) off Keauhou, South Kona, Big Island, Hawaii, Central Pacific Ocean

Doug Perrine / Hot lava from the 61G flow, emanating from Pu'u O'o on Kilauea Volcano, flows over sea cliffs into the ocean under the stars and moon, Kamokuna, Kalapana, Hawaii Volcanoes National Park, Puna, Hawaii...

Doug Perrine / Bottlenose dolphin (Tursiops truncatus) swimming with a pair of Humpback whales (Megaptera novaeangliae) Kona, Hawaii, USA

Doug Perrine / False killer whale (Pseudorca crassidens) pod, off the Kona Coast of Hawaii Island, Hawaiian Islands, USA. January.

Doug Perrine / Pygmy shark (Euprotomicrus bispinatus) portrait, captive. Kona, Hawaii. Central Pacific Ocean.

Doug Perrine / Pygmy shark (Euprotomicrus bispinatus) portrait, captive. Kona, Hawaii. Central Pacific Ocean. Digitally manipulated image.

Doug Perrine / Red hot lava from Kilauea Volcano flowing into ocean at West Kailiili, Hawaii Volcanoes National Park, Big Island, Hawaiian Islands, USA.

Doug Perrine / Humpback whale (Megaptera novaeangliae) lone female playing, blowing bubble stream, Kona, Hawaii, USA.

Doug Perrine / Humpback whales (Megaptera novaeangliae) mother and calf, Kohala, Kona, Hawaii, USA.

Doug Perrine / Barjacks (Caranx ruber), Yellowtail snapper (Ocyurus chrysurus), and Sergeant major damselfish (Abudefduf saxatilis) swimming around wreck of bow gun on C-58 shipwreck off Puerto Morelos, near Cancun,...

Doug Perrine / Giant squirrelfish (Sargocentron spiniferum) at cleaning station in the cockpit of wreck of Panorama Air Tour Beech H18S that crashed in 1983 after take-off from Keahole airport, Kona, Hawaii.

Doug Perrine / Mediterranean monk seal (Monachus monachus) adult male swimming, Deserta Grande, Ilhas Desertas, Parque Natural da Madeira, Portugal, Atlantic Ocean, June. Critically endangered species

Doug Perrine / Rough-toothed dolphins (Steno bredanensis) Keauhou, Kona, Hawaii, USA, Central Pacific Ocean.

Doug Perrine / Female Hawaiian monk seal (Monachus schauinslandi) defending her pup from two males, which are aggressive with each other, Molokai Island, Hawaii, USA.

Doug Perrine / Female Hawaiian monk seal (Monachus schauinslandi) fighting with a male trying to mate with her, Molokai Island, Hawaii, USA.

Doug Perrine / Molten lava lake in Halemaumau Crater, a pit crater in the summit caldera of Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Doug Perrine / Scuba diver films bait ball of Bigeye scad (Selar crumenopthalmus) Keauhou Bay, Kona, Hawaii, Hawaiian Islands. Central Pacific ocean. March 2010. Model released.

Doug Perrine / Hawaiian monk seals (Monachus schauinslandi) aggressive male attacks a five and a half week pup, mother (right) approaches to intervene; Papaloa Beach, Kalaupapa, Molokai, Hawaii, USA

Doug Perrine / Hawaiian / Gray's / Long-Snouted Spinner Dolphins (Stenella longirostris longirostris) with mother and young calf. Keauhou, Kona, Hawaii, Central Pacific Ocean.

Doug Perrine / Flower Hat Jelly / Jellyfish (Olindias formosa), a rare hydromedusa with fluorescent tentacle tips. Endemic to Brazil, Argentina, and southern Japan.

Doug Perrine / Green sea turtle (Chelonia mydas) being cleaned of algae by Yellow tangs / surgeonfish (Zebrasoma flavescens), Puako, Kona, Hawaii, USA, June, Endangered species

Doug Perrine / Swarm / aggregation of venomous Moon jellyfish (Aurelia aurita) Port Fidalgo, Prince William Sound, USA, July

Doug Perrine / Green sea turtle (Chelonia mydas) cleaned of algae by Yellow tangs / surgeonfish (Zebrasoma flavescens), Puako, Kona, Hawaii, USA, June, Endangered species

Doug Perrine / Young Steller's / Steller / Northern Sealions (Eumetopias jubatus) curiously approaching the photographer. Glacier Island, Columbia Bay, Alaska, USA, July.

Doug Perrine / Young Steller's / Steller / Northern Sealions (Eumetopias jubatus) curiously approaching the photographer. Glacier Island, Columbia Bay, Alaska, USA, July.

Doug Perrine / Researcher Guy Stevens photographs belly spot identification pattern of Reef manta ray (Manta alfredi formerly Manta birostris) feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, Oc...

Doug Perrine / Reef manta ray (Manta alfredi formerly Manta birostris) barrel roll filter feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) chain-feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) vortex / cyclone feeding on plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Indian Ocean, October

Doug Perrine / Reef manta rays (Manta alfredi formerly Manta birostris) filter feeding on plankton among Silverside fish that are also feeding on the plankton, Hanifaru Bay, Hanifaru Lagoon, Baa Atoll, Maldives, Ind...

Doug Perrine / Sperm whale (Physeter macrocephalus) juvenile female aged about 6-11 years, Endangered Species, Commonwealth of Dominica, Caribbean, March

Doug Perrine / Sperm whale (Physeter macrocephalus) juvenile female aged about 6-11 years, Endangered Species, Commonwealth of Dominica, Caribbean, March

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) swimming past a baitball of Sardines (Clupeidae) off Baja California, Mexico, Eastern Pacific Ocean, November

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) expeling air and water from mouth through baleen plates after engulfing part of a baitball of Sardines (Clupeidae) with California sea lion (Tetreapturus au...

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) swimming past a baitball of Sardines (Clupeidae)California sea lion (Tetreapturus audax) and Striped marlin (Zalophus californianus) in background. Off Baja...

Doug Perrine / Dolphin fish / Mahi mahi / Dorado (Coryphaena hippurus) close up, off Isla Mujeres, near Cancun, Yucatan Peninsula, Mexico, Caribbean Sea (digitially manipulated)

Doug Perrine / Dolphin fish / Mahi mahi / Dorado (Coryphaena hippurus) portrait of large male, off Isla Mujeres, near Cancun, Yucatan Peninsula, Mexico, Caribbean Sea

Doug Perrine / Dolphin fish / Mahi mahi / Dorado (Coryphaena hippurus) large male, off Isla Mujeres, near Cancun, Yucatan Peninsula, Mexico, Caribbean Sea

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) swimming over a bait ball of Sardines, three ridges on forehead that distinguish the Bryde's whale from other mysticetes are prominently visible. Off Baja C...

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) with throat pleats expanded after engulfing part of a school of Sardines, off Baja California, Mexico (Eastern Pacific Ocean)

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) expelling air and water from mouth through baleen plates after engulfing part of a baitball of Sardines, Sardinops sagax, off Baja California, Mexico (Easte...

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) feeding on baitball of Sardines (Sardinops sagax) off Baja California, Mexico, Eastern Pacific Ocean. 4 in sequence of 5

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) feeding on baitball of Sardines (Sardinops sagax) off Baja California, Mexico, Eastern Pacific Ocean. 3 in sequence of 5

Doug Perrine / Salmon shark (Lamna ditropis) female with mating scars and copepod parasites trailing from fins, Port Fidalgo, Prince William Sound, Alaska, USA. Digital composite

Doug Perrine / Salmon shark (Lamna ditropis) female with mating scar on side and copepod parasites streaming from fins, Port Fidalgo, Prince William Sound, Alaska, USA

Doug Perrine / Salmon shark (Lamna ditropis) Port Fidalgo, Prince William Sound, Alaska, USA

Doug Perrine / Female Bull sharks (Carcharhinus leucas) in seasonal breeding aggregation with Sharksuckers (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Doug Perrine / Salmon shark {Lamna ditropis} captive, with salmon in mouth (eyes are rolled back for protection), Prince William Sound, Alaska, USA, (digitally modified)

Doug Perrine / Close up of teeth and mouth of Salmon shark {Lamna ditropis} captive, Prince William Sound, Alaska, USA (digitally edited)

Doug Perrine / Morelet's / Mexican crocodile {Crocodylus moreletii} at surface of cenote (freshwater spring) near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Morelet's / Mexican crocodile (Crocodylus moreletii) at surface of cenote (freshwater spring). Near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Morelet's / Mexican crocodile (Crocodylus moreletii) at surface of cenote (freshwater spring). Near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Morelet's / Mexican crocodile (Crocodylus moreletii) viewed from below in freshwater habitat. Near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Baitball of Sardines / Pilchards (Sardinops sagax) during the annual Sardine Run off the east coast of South Africa at Mboyti, Transkei or Wild Coast (Indian Ocean) with Bottlenose dolphin (Tursiops t...

Doug Perrine / Copper sharks / Bronze whaler (Carcharhinus brachyurus) and Little eastern tuna {Euthynnus affinis} feeding on a baitball of Sardines / Pilchards (Sardinops sagax) during the annual Sardine Run off t...

Doug Perrine / Copper shark / Bronze whaler (Carcharhinus brachyurus) feeding on a baitball of Sardines / Pilchards (Sardinops sagax) during the annual Sardine Run off the east coast of South Africa at Mboyti, Trans...

Doug Perrine / Copper sharks / Bronze whaler (Carcharhinus brachyurus) feeding on a baitball of Sardines / Pilchards (Sardinops sagax) during the annual Sardine Run off the east coast of South Africa at Mboyti, Tran...

Doug Perrine / Striped marlin {Tetrapturus audax} feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico

Doug Perrine / Atlantic sailfish {Istiophorus albicans} hits sardine with bill while feeding on bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, M...

Doug Perrine / View from below of silhouette of diver and Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan...

Doug Perrine / Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Mexico, Caribbean Sea, Digitall...

Doug Perrine / Large group (at least 18) of Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Me...

Doug Perrine / Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Mexico, Caribbean Sea, Digitall...

Doug Perrine / Striped marlin {Tetrapturus audax} feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico #4 in sequence of 7

Doug Perrine / American alligator (Alligator mississippiensis) with mouth open, split level, Big Cypress National Preserve, Florida Everglades, USA

Doug Perrine / American alligator (Alligator mississippiensis) mouth closed but teeth showing, split level, Big Cypress National Preserve, Florida Everglades, USA

Doug Perrine / American alligator (Alligator mississippiensis) with mouth open, split level, Big Cypress National Preserve, Florida Everglades, USA

Doug Perrine / Snout of approaching American alligator (Alligator mississippiensis) Big Cypress National Preserve, Florida Everglades, USA

Doug Perrine / Rough-toothed dolphin (Steno bredanensis), Kona, Hawaii

Doug Perrine / Orca / Killer whale (Orcinus orca) blowing bubbles, captive, digital composite

Doug Perrine / Humpback whale mother and calf {Megaptera novaeangliae} Hawaii, Pacific Ocean - taken under NMFS research permit #633 (Non-ex).

Doug Perrine / Green sea turtle (Chelonia mydas) hatchling swimming, Endangered, Caribbean, captive, digitally enhanced

Doug Perrine / Tiger shark (Galeocerdo cuvier) portrait, North Shore, Oahu, Hawaii, USA, Central Pacific Ocean,

Doug Perrine / Tiger shark (Galeocerdo cuvier) North Shore, Oahu, Hawaii, USA, Central Pacific Ocean )

Doug Perrine / Tiger shark (Galeocerdo cuvier) North Shore, Oahu, Hawaii, USA, Central Pacific Ocean, note: parasitic leech on side of face

Doug Perrine / False killer whale ( Pseudorca crassidens ) with mouth open, showing large conical teeth, captive, aquarium, from Indo-pacific, digitally manipulated

Doug Perrine / Oceanic whitetip shark (Carcharhinus longimanus) with pilot fish (Naucrates ductor) Kona Coast, Hawaii, Central Pacific Ocean

Doug Perrine / Piebald / Commerson's dolphins {Cephalorhynchus commersonii} captive, digital composite Occurs southern South America

Doug Perrine / Whale shark {Rhincodon typus} Kona coast, Hawaii

Doug Perrine / Whale shark {Rhincodon typus} and photographer (James D. Watt), Keahou Bay, Hawaii

Doug Perrine / Young Sperm whale calf (Physeter macrocephalus) Endangered, Kona, Hawaii, Central Pacific Ocean digitally manipulated

Doug Perrine / Hot molten pillow lava erupts from an underwater lava tube at ocean entry of Kilauea Volcano on Hawaii Island, Hawaii

Doug Perrine / Northern / lined / Atlantic seahorse (Hippocampus erectus) male giving birth - expelling fry from pouch - young fry then float to the water's surface; captive, digitally manipulated

Doug Perrine / Lionfish {Pterois miles} with Seafan in foreground, Thailand

Doug Perrine / Pink anemonefish {Amphiprion perideraion} on host sea anemone {Heteractis magnifica} Great Barrier Reef, Queensland, Australia

Doug Perrine / Stonefish {Synanceja verrucosa} Maldives, Indian Ocean

Doug Perrine / Lava flowing from Lae'apuki bench into the sea during Pu'u O'o eruption, Kilauea Volcano, Hawaii, Jan 2000