A diver examines the wall of a swim-through arch underneath an offshore island in Hawai’i. 2017. Shot in the field for the National Park Service.
       
     
 Healthy coral cover around the island of Ofu in Manua at the National Park of American Samoa. 2017. Shot in the field for the National Park Service.
       
     
 A diver horizontally forces a circular vortex of water away from his body on a safety stop at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 Urchin fisherman Jeff Maassen on his boat with his harvest of urchins in the water on San Miguel Island, California. Shot on assignment for Bloomberg Green. 2020.
       
     
 The stars over Waikolu Stream in Molokai at Kalaupapa National Historic Park. 2017. Shot in the field for the National Park Service.
       
     
 A manta ray gets up close with two divers in Kona, Hawai’i. 2017.
       
     
 A goliath grouper opens wide to catch lunch, eagerly swimming away at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 Urchin fisherman Jeff Maassen with a large bag of harvested urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.
       
     
 Juvenile jacks live inside of a moon jelly for protection at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 A diver, towered by an air pocket, stops to take a picture of a swim-through arch underneath an offshore island in Molokai, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     
 A school of silversides swim underneath the pier at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.
       
     
 A green turtle touches my dome port in the shallow waters of the aiopio at Kaloko-Honokohau National Historical Park, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     
 A snorkeler swims up to a goliath grouper at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 A photographer checks out the young autumn kelp plants on Anacapa Island, California. 2018.
       
     
 The lighthouse on Loggerhead Key at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 A barracuda swims menacingly under a school of jacks around Loggerhead Key at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 A healthy reef in the Florida Keys National Marine Sanctuary. 2017.
       
     
 A National Park Service diver swims over the three most forward in-tact guns of the USS Arizona at Valor in the Pacific National Monument in O'ahu, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     
 A school of goatfish swims across a reef in South Florida. 2017.
       
     
 A National Park Service biologist shows off a native snail during a survey in the Waikolu Stream at Kalaupapa National Historic Park on Molokai. 2017. Shot in the field for the National Park Service.
       
     
 A school of small jacks swims quickly in the shallow waters of Virgin Islands National Park in St. John. in the Florida Keys National Marine Sanctuary. 2017. Shot in the field for the National Park Service.
       
     
 A National Park Service team removes a ghost fishing net from the reef around Ofu Island in the National Park of American Samoa. 2017. Shot in the field for the National Park Service.
       
     
 A diver hangs out at her safety stop in the middle of the ocean near Kaloko-Honokohau National Historical Park, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     
 A scientist records coral data in around Ofu, American Samoa. 2017. Shot in the field for the National Park Service.
       
     
 A National Park Service diver begins a benthic survey with a full face mask rig around Anacapa Island at Channel Islands National Park, California. 2017. Shot in the field for the National Park Service.
       
     
 A Manta cruises closely overhead in Kona, Hawai'i. 2017.
       
     
 Light beams down on a goliath grouper in Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 Two NOAA divers begin a survey during a conch tagging expedition in St. Croix, US Virgin Islands. 2017.
       
     
 Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.
       
     
 A turtle just below the surface in Ostional, Costa Rica. 2018. Shot in the field for BIOMA Travel.
       
     
 A diver surveys a reef on a Reef Check survey in the Florida Keys. 2017.
       
     
 Graduate students take a core sample around Buck Island in St. Croix, US Virgin Islands. 2017.
       
     
 A National Park Service diver ascends to safety stop depth at Virgin Islands National Park in St. John. 2017. Shot in the field for the National Park Service.
       
     
 A scrawled filefish in the Florida Keys National Marine Sanctuary. 2017.
       
     
 A NOAA diver works on a coral survey in Virgin Islands National Park on St. John. 2017. Shot in the field for the National Park Service.
       
     
 A National Park Service diver checks out a passing giant sea bass at Channel Islands National Park, California. 2017. Shot in the field for the National Park Service.
       
     
 A National Park Service diver shows off a speared lionfish at Biscayne National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     
 A diver injects cow bile into a crown of thorns seastar to help control the population of these coral eating stars. Ofu Island, American Samoa. 2017. Shot in the field for the National Park Service.
       
     
 A bright school of fish congregates in the shallow waters around Ofu Island at the National Park of American Samoa. 2017. Shot in the field for the National Park Service.
       
     
 Self portrait in Hoyo Azul, Dominican Republic. 2014.
       
     
 A diver examines the wall of a swim-through arch underneath an offshore island in Hawai’i. 2017. Shot in the field for the National Park Service.
       
     

A diver examines the wall of a swim-through arch underneath an offshore island in Hawai’i. 2017. Shot in the field for the National Park Service.

 Healthy coral cover around the island of Ofu in Manua at the National Park of American Samoa. 2017. Shot in the field for the National Park Service.
       
     

Healthy coral cover around the island of Ofu in Manua at the National Park of American Samoa. 2017. Shot in the field for the National Park Service.

 A diver horizontally forces a circular vortex of water away from his body on a safety stop at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

A diver horizontally forces a circular vortex of water away from his body on a safety stop at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 Urchin fisherman Jeff Maassen on his boat with his harvest of urchins in the water on San Miguel Island, California. Shot on assignment for Bloomberg Green. 2020.
       
     

Urchin fisherman Jeff Maassen on his boat with his harvest of urchins in the water on San Miguel Island, California. Shot on assignment for Bloomberg Green. 2020.

 The stars over Waikolu Stream in Molokai at Kalaupapa National Historic Park. 2017. Shot in the field for the National Park Service.
       
     

The stars over Waikolu Stream in Molokai at Kalaupapa National Historic Park. 2017. Shot in the field for the National Park Service.

 A manta ray gets up close with two divers in Kona, Hawai’i. 2017.
       
     

A manta ray gets up close with two divers in Kona, Hawai’i. 2017.

 A goliath grouper opens wide to catch lunch, eagerly swimming away at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

A goliath grouper opens wide to catch lunch, eagerly swimming away at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 Urchin fisherman Jeff Maassen with a large bag of harvested urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.
       
     

Urchin fisherman Jeff Maassen with a large bag of harvested urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.

 Juvenile jacks live inside of a moon jelly for protection at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

Juvenile jacks live inside of a moon jelly for protection at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 A diver, towered by an air pocket, stops to take a picture of a swim-through arch underneath an offshore island in Molokai, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     

A diver, towered by an air pocket, stops to take a picture of a swim-through arch underneath an offshore island in Molokai, Hawai'i. 2017. Shot in the field for the National Park Service.

 A school of silversides swim underneath the pier at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

A school of silversides swim underneath the pier at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.
       
     

Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.

 A green turtle touches my dome port in the shallow waters of the aiopio at Kaloko-Honokohau National Historical Park, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     

A green turtle touches my dome port in the shallow waters of the aiopio at Kaloko-Honokohau National Historical Park, Hawai'i. 2017. Shot in the field for the National Park Service.

 A snorkeler swims up to a goliath grouper at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

A snorkeler swims up to a goliath grouper at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 A photographer checks out the young autumn kelp plants on Anacapa Island, California. 2018.
       
     

A photographer checks out the young autumn kelp plants on Anacapa Island, California. 2018.

 The lighthouse on Loggerhead Key at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

The lighthouse on Loggerhead Key at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 A barracuda swims menacingly under a school of jacks around Loggerhead Key at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

A barracuda swims menacingly under a school of jacks around Loggerhead Key at Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 A healthy reef in the Florida Keys National Marine Sanctuary. 2017.
       
     

A healthy reef in the Florida Keys National Marine Sanctuary. 2017.

 A National Park Service diver swims over the three most forward in-tact guns of the USS Arizona at Valor in the Pacific National Monument in O'ahu, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service diver swims over the three most forward in-tact guns of the USS Arizona at Valor in the Pacific National Monument in O'ahu, Hawai'i. 2017. Shot in the field for the National Park Service.

 A school of goatfish swims across a reef in South Florida. 2017.
       
     

A school of goatfish swims across a reef in South Florida. 2017.

 A National Park Service biologist shows off a native snail during a survey in the Waikolu Stream at Kalaupapa National Historic Park on Molokai. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service biologist shows off a native snail during a survey in the Waikolu Stream at Kalaupapa National Historic Park on Molokai. 2017. Shot in the field for the National Park Service.

 A school of small jacks swims quickly in the shallow waters of Virgin Islands National Park in St. John. in the Florida Keys National Marine Sanctuary. 2017. Shot in the field for the National Park Service.
       
     

A school of small jacks swims quickly in the shallow waters of Virgin Islands National Park in St. John. in the Florida Keys National Marine Sanctuary. 2017. Shot in the field for the National Park Service.

 A National Park Service team removes a ghost fishing net from the reef around Ofu Island in the National Park of American Samoa. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service team removes a ghost fishing net from the reef around Ofu Island in the National Park of American Samoa. 2017. Shot in the field for the National Park Service.

 A diver hangs out at her safety stop in the middle of the ocean near Kaloko-Honokohau National Historical Park, Hawai'i. 2017. Shot in the field for the National Park Service.
       
     

A diver hangs out at her safety stop in the middle of the ocean near Kaloko-Honokohau National Historical Park, Hawai'i. 2017. Shot in the field for the National Park Service.

 A scientist records coral data in around Ofu, American Samoa. 2017. Shot in the field for the National Park Service.
       
     

A scientist records coral data in around Ofu, American Samoa. 2017. Shot in the field for the National Park Service.

 A National Park Service diver begins a benthic survey with a full face mask rig around Anacapa Island at Channel Islands National Park, California. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service diver begins a benthic survey with a full face mask rig around Anacapa Island at Channel Islands National Park, California. 2017. Shot in the field for the National Park Service.

 A Manta cruises closely overhead in Kona, Hawai'i. 2017.
       
     

A Manta cruises closely overhead in Kona, Hawai'i. 2017.

 Light beams down on a goliath grouper in Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

Light beams down on a goliath grouper in Dry Tortugas National Park, Florida. 2017. Shot in the field for the National Park Service.

 Two NOAA divers begin a survey during a conch tagging expedition in St. Croix, US Virgin Islands. 2017.
       
     

Two NOAA divers begin a survey during a conch tagging expedition in St. Croix, US Virgin Islands. 2017.

 Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.
       
     

Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020. Shot in the field for Bloomberg Green.

 A turtle just below the surface in Ostional, Costa Rica. 2018. Shot in the field for BIOMA Travel.
       
     

A turtle just below the surface in Ostional, Costa Rica. 2018. Shot in the field for BIOMA Travel.

 A diver surveys a reef on a Reef Check survey in the Florida Keys. 2017.
       
     

A diver surveys a reef on a Reef Check survey in the Florida Keys. 2017.

 Graduate students take a core sample around Buck Island in St. Croix, US Virgin Islands. 2017.
       
     

Graduate students take a core sample around Buck Island in St. Croix, US Virgin Islands. 2017.

 A National Park Service diver ascends to safety stop depth at Virgin Islands National Park in St. John. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service diver ascends to safety stop depth at Virgin Islands National Park in St. John. 2017. Shot in the field for the National Park Service.

 A scrawled filefish in the Florida Keys National Marine Sanctuary. 2017.
       
     

A scrawled filefish in the Florida Keys National Marine Sanctuary. 2017.

 A NOAA diver works on a coral survey in Virgin Islands National Park on St. John. 2017. Shot in the field for the National Park Service.
       
     

A NOAA diver works on a coral survey in Virgin Islands National Park on St. John. 2017. Shot in the field for the National Park Service.

 A National Park Service diver checks out a passing giant sea bass at Channel Islands National Park, California. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service diver checks out a passing giant sea bass at Channel Islands National Park, California. 2017. Shot in the field for the National Park Service.

 A National Park Service diver shows off a speared lionfish at Biscayne National Park, Florida. 2017. Shot in the field for the National Park Service.
       
     

A National Park Service diver shows off a speared lionfish at Biscayne National Park, Florida. 2017. Shot in the field for the National Park Service.

 A diver injects cow bile into a crown of thorns seastar to help control the population of these coral eating stars. Ofu Island, American Samoa. 2017. Shot in the field for the National Park Service.
       
     

A diver injects cow bile into a crown of thorns seastar to help control the population of these coral eating stars. Ofu Island, American Samoa. 2017. Shot in the field for the National Park Service.

 A bright school of fish congregates in the shallow waters around Ofu Island at the National Park of American Samoa. 2017. Shot in the field for the National Park Service.
       
     

A bright school of fish congregates in the shallow waters around Ofu Island at the National Park of American Samoa. 2017. Shot in the field for the National Park Service.

 Self portrait in Hoyo Azul, Dominican Republic. 2014.
       
     

Self portrait in Hoyo Azul, Dominican Republic. 2014.