Michael Pitts / Hawaiian monk seal caught in fishing tackle off Kure Atoll, Pacific Ocean. The seal was subsequently freed and released by the photographer.

Shane Gross / A juvenile soldierfish, possibly a Crescent-tail bigeye (Priacanthus hamrur) in the open ocean at night off Anilao, Philippines.

David Fleetham / Close up of the pattern on the Hawaiian spotted flatworm (Pseudobiceros) endemic to Hawaii.

David Fleetham / Hawaiian pom-pom / boxer crab (Lybia edmondsoni)with anemones (Triactis sp) that it carries around holding with the claws and using them for defense, waving in front of the possible aggressor. An exam...

Jack Jeffrey/ BIA / I'iwi (Drepanis coccinea), Hawaii

ZSSD / Hawaiian Crow (Corvus hawaiiensis) using stick tool to reach food, native to Hawaii

ZSSD / Hawaiian Crow (Corvus hawaiiensis) using stick tool to reach food, native to Hawaii

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

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

Georgette Douwma / Big-eye fish (Priacanthus hamrur). Egypt, Red Sea.

Gerrit Vyn / Nene / Hawaiian goose (Branta sandvicensis) Hawaii. April. Vulnerable species.

Pete Oxford / Diamond Stingray (Dasyatis brevis) digging in sand, Galapagos Islands, Ecuador

Pete Oxford / Diamond Stingray (Dasyatis brevis) pair fighting, Galapagos Islands, Ecuador

Kevin Schafer / Hawaiian Monk Seal (Monachus schauinslandi) male on beach, Poipu Beach, Kauai, Hawaii

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

Michael Pitts / Diver on the wreck of the US Submarine tender USS Macaw, sunk in the World War II due to a navigation error, Midway atoll, Pacific Ocean. Model released.

Michael Pitts / Eastern Island showing the WW2 airstrip which was used to launch the initial attack on the Japanese fleet for the Battle of Midway, Midway, Central Pacific.

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

Steve Nicholls / Lava field with growth of Dotted polypody fern (Polypodium pellucidum), Kilauea, Hawaii, USA, August 2008

Jeff Vanuga / Nakalele Point Blowhole with spray and a resulting rainbow. West Maui, Hawaii, September 2010.

Mark Carwardine / Hawaiian goose / Nene (Branta sandvicensis) looking down, Slimbridge, Gloucestershire, UK, Captive, native to Hawaii, USA, Vulnerable species, September

LYNN M. STONE / Hawaiian Goose / Nene (Branta sandvicensis) head portrait, captive.

Aflo / Black footed albatross (Phoebastria nigripes) pair displaying, Midway Islands, USA

Aflo / ic-09002 Hawaiian monk seal swimming underwater {Mirounga angustirostris} Hawaii

Kirkendall-Spring / Puako Petroglyphs near the Holoholokai Beach Park on the South Kohala area of the Big Island. The Big Island of Hawaii, USA, December 2008

Sebastian Kennerknecht / White Tern (Gygis alba) flying over beach, Midway Atoll, Hawaiian Leeward Islands, Hawaii

Sebastian Kennerknecht / White Tern (Gygis alba) chick, Midway Atoll, Hawaiian Leeward Islands, Hawaii

Michael Pitts / Aerial view of runways on Sand Island, Midway Islands, Pacific

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

Rolf Nussbaumer / Kalalau valley at sunset, Kauai, Hawaii

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

Michael Pitts / Shoal of Hawaiian squirrelfish {Sargocentron xantherythrum}, Midway Islands, Pacific

Doug Perrine / Pahoehoe lava flows off Lae' apuki bench into sea, Kilauea volcano, Hawaii, USA. Jan 2000

Doug Perrine / Pahoehoe lava flows off Lae' apuki bench into sea, at night, Kilauea active volcano, Hawaii, USA. Jan 2000

Doug Perrine / Pahoehoe lava flows off Lae' apuki bench into sea, Kilauea active volcano, Hawaii, USA. Jan 2000

Doug Perrine / Volcanic lava flow enters the sea, Kilauea active volcano, Hawaii, USA. January 2000.

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano onto Lae'apuki Bench, Hawaii Volcanoes National Park

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Michael Pitts / Hawaiian monk seal {Monachus schauinslandi} Pacific

Flip Nicklin / Hawaiian Monk Seal (Monachus schauinslandi) pair playing, Hawaii

Mitsuaki Iwago / Hawaiian Monk Seal (Monachus schauinslandi) portrait, Hawaii

Tui De Roy / Palm trees and water flowing on beach on Palmyra Atoll, a wet, equatorial atoll with fringing reefs, native forests and abundant seabirds, Palmyra Atoll National Wildlife Refuge, US Line Islands

Michael Pitts / Eastern Island, Midway Islands, Pacific ocean. Showing runways used in World War II.

Michael Pitts / Hawaiian monk seal pair courting off Midway Atoll,Pacific Ocean

David Hall / Crocodile snake eel (Brachysomophis henshawi), head sticking out of gravel. Pantar, Alor Archipelago, Indonesia.

David Hall / Crocodile snake eel (Brachysomophis henshawi) peering out of burrow. Pantar, Alor Archipelago, Indonesia.

Gary Bell/ Oceanwide / Hawaiian Sea Urchin (Tripneustes gratilla), Anilao, Philippines

Staffan Widstrand / Hawaiian Goose, or Nene (Branta sandvicensis) Maui, Hawaii. Endemic.

Staffan Widstrand / Hawaiian Goose, or Nene (Branta sandvicensis) Maui, Hawaii. Endemic

Doug Perrine / Pelagic nudibranch / Blue sea slug (Glaucus atlanticus) along with a much smaller relative, (Glaucilla sp) feeding on a Portuguese man o' war, (Physalia utriculus) Kona, Hawaii, Hawaiian Islands,...

David Fleetham / Hawaiian monk seals (Neomonachus schauinslandi) resting at water's edge. Kepuhi Beach, Kaluakoi, West End, Molokai, Hawaii.

David Fleetham / Kawakiu Nui Beach on West End, Molokai, Hawaii. July 2017.

David Fleetham / Imperial commensal shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish dancer nudibranch (Hexabranchus sanguineus) at night. Philippines.

David Fleetham / Hawaiian cleaner wrasse (Labroides phthirophagus) feeding on parasites on Crocodile needlefish (Tylosurus crocodilus) with coral reef below. Hawaii.

David Fleetham / Hawaiian sergeant (Abudefduf abdominalis), male guarding eggs at nesting site. Hawaii.

David Fleetham / Hawaiian cleaner wrasse (Labroides phthirophagus) cleaning Redlip parrotfish (Scarus rubroviolaceus) in coral reef. Kauai, Hawaii.

David Fleetham / Great barracuda (Sphyraena barracuda) with two endemic Hawaiian cleaner wrasse (Labroides phthirophagus) cleaning it. Hawaii.

David Fleetham / Road sign warning drivers that Nene goose (Branta sandvicensis), are found in the area. East end of Molokai, Hawaii. July 2017.

David Fleetham / Spotted boxfish (Ostracion meleagris) swimming above sea floor. Hawaii.

Doug Perrine / Old trail marker sign buried in fresh lava flow, west of Kalapana, Puna, Hawaiian Islands, USA, December 2011.

David Fleetham / Tourists taking pictures of Hawaiian monk seals (Monachus schauinslandi) hauled out on roadside, Maui, Hawaii.

David Fleetham / Hawaiian man growing Taro root ( Colocasia esculenta) Molokai, Hawaii. October 2016.

David Fleetham / Hawaiian monk seals (Monachus schauinslandi) hauled out resting on beach, Maui beach, Hawaii.

David Fleetham / Hawaiian monk seals (Monachus schauinslandi) on beach with Green sea turtle (Chelonia mydas) making it's way back to the ocean after egg laying,Ho'okipa Beach, Maui, Hawaii.

David Fleetham / Hawaiian monk seal (Monachus schauinslandi) hauled out on beach, with Green sea turtle (Chelonia mydas) and tourists and surfers in in the background Ho'okipa Beach off Maui, Hawaii.

David Fleetham / Hawaiian monk seals (Monachus schauinslandi) hauled out on beach with Green sea turtle (Chelonia mydas) returning to the sea, Maui, Hawaii.

David Fleetham / Hawaiian fantail filefish (Pervagor spilosoma) Maui, Hawaii. Endemic.

David Fleetham / Underwater encounters with Hawaiian monk seals (Monachus schauinslandi) Hawaii

David Fleetham / Hawaiian Flagtails (Kuhlia xenura) schooling with clouds a sky visible beyond the surface. Lanai, Hawaii.

David Fleetham / Groove Tooth Cowry (Cypraea suicidentata) one of the more common of the endemic Hawaiian cowries, reaches about an inch and a half in length. Hawaii.

David Fleetham / Hawaiian / Western Lobster (Enoplometopus occidentalis), endemic to the tropical Indo-Pacific. Hawaii.

David Fleetham / Aerial image of Big Beach, Little Beach and Pu'u O'lai, also known as Oneloa or Makena Beach. Maui, Hawaii, June 2011.

David Fleetham / An aerial view across Sliding Sands Trail and Haleakala Crater to 'Science City' high altitude observatory at the summit in Haleakala National Park, Maui's dormant volcano, Hawaii, June 2011.

David Fleetham / An aerial view of 'Science City' high altitiude observatory above the clouds in Haleakala National Park, Maui's dormant volcano, Hawaii, June 2011.

David Fleetham / An aerial view across Haleakala Crater showing Ka Lu'u o ka O'o Cone and the last few miles of the road leading to the summit and 'Science City'. Haleakala National Park, Maui's dormant volcano, Hawai...

David Fleetham / Molokini Crater, aerial shot of the crescent shaped islet at mid-morning with charter boats. Maui, Hawaii., June 2011.

David Fleetham / Halemaumau Crater in Volcanoes National Park on The Big Island, Hawaii. The volcano became active again in 2011, having since been dormant from 1967.

David Fleetham / Kayak group in Kapalua Bay, Maui, Hawaii. (Three images were digitally combined to create this high dynamic range image)

David Fleetham / This new flow of 'pahoehoe' lava from Kilauea is burning a small isolated forest and covering an older lava flow. Near Kalapana, Big Island, Hawaii February 2011.

David Fleetham / A boat gets a close look at 'pahoehoe' lava flowing from Kilauea that has reached the Pacific Ocean. Kalapana, Big Island, Hawaii, Febraury.

David Fleetham / Lava flows into the Pacific Ocean at dawn off the Big Island of Hawaii. Volcanoes National Park, Hawaii.

David Fleetham / Fruit stand on the Hana Highway, Maui, Hawaii. Three image were combined for this photograph.

David Fleetham / Surf instructor Tara Angioletti on a stand-up paddle board off Canoe Bearch, Maui, Hawaii. Model released.

David Fleetham / A tow-in surfer drops down the face of Hawaii's big surf at Peahi (Jaws). Maui, December.

David Fleetham / Scrub and trees filled with plastic bags, down-wind from a landfill site on the island of Maui, Hawaii. A state-wide ban on plastic bags went into effect in January 2011.

David Fleetham / A tree filled with plastic bags, down-wind from a landfill site on the island of Maui, Hawaii. A state-wide ban on plastic bags went into effect in January 2011.

David Fleetham / Surf instructor Tara Angioletti on a stand-up paddle board. Canoe Bearch, Maui, Hawaii. Model released.

David Fleetham / Surf instructor Tara Angioletti does a head stand on her stand-up paddle board. Canoe Bearch, Maui. Hawaii. Model released.

David Fleetham / Surf instructor Tara Angioletti at sunset on a stand-up paddle board off Canoe Bearch, Maui, Hawaii. Model released.

David Fleetham / Surf instructor Tara Angioletti on a stand-up paddle board off Canoe Bearch, Maui, Hawaii. Model released.

David Fleetham / Eyestripe surgeonfish (Acanthurus dussumieri) laying on side with mouth open, a signal to attract Hawaiian cleaner wrasse (Labroides phthirophagus) Hawaii.