Healthy coral cover around the island of Ofu in Manua at the National Park of American Samoa. 2017.
A diver horizontally forces a circular vortex of water away from his body on a safety stop at Dry Tortugas National Park, Florida. 2017.
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.
A goliath grouper opens wide to catch lunch, eagerly swimming away at Dry Tortugas National Park, Florida. 2017.
Urchin fisherman Jeff Maassen with a large bag of harvested urchins on San Miguel Island, California. Shot on assignment for Bloomberg Green. 2020.
Juvenile jacks live inside of a moon jelly for protection at Dry Tortugas National Park, Florida. 2017.
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.
Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. Shot on assignment for Bloomberg Green. 2020.
A green turtle touches my dome port in the shallow waters of the aiopio at Kaloko-Honokohau National Historical Park, Hawai'i. 2017.
A barracuda swims menacingly under a school of jacks around Loggerhead Key at Dry Tortugas National Park, Florida. 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.
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.
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.
A National Park Service team removes a ghost fishing net from the reef around Ofu Island in the National Park of American Samoa. 2017.
A diver hangs out at her safety stop in the middle of the ocean near Kaloko-Honokohau National Historical Park, Hawai'i. 2017.
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.
Two NOAA divers begin a survey during a conch tagging expedition in St. Croix, US Virgin Islands. 2017.
For Bloomberg Green: Urchin fisherman Jeff Maassen harvesting urchins on San Miguel Island, California. 2020.
A National Park Service diver ascends to safety stop depth at Virgin Islands National Park in St. John. 2017.
A National Park Service diver checks out a passing giant sea bass at Channel Islands National Park, California. 2017.
A National Park Service diver shows off a speared lionfish at Biscayne National Park, Florida. 2017.
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.
A bright school of fish congregates in the shallow waters around Ofu Island at the National Park of American Samoa. 2017.