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Scalloped hammerhead sharks (Sphyrna lewini), photographed in Yonaguni, Japan.

Top ocean news stories of 2025 (commentary)

Alfredo Giron, Ana Spalding, Erin Skoczylas, Vanessa Constant 24 Dec 2025
Vermillion rockfish and soft coral observed during an expedition in Channel Islands National Marine Sanctuary.

Century-old corals reveal the Pacific Northwest is acidifying faster than expected

Elizabeth Fitt 22 Dec 2025
The endangered African penguins (Spheniscus demersus)

South Africa considers site near African penguin colony for third nuclear power plant

Shreya Dasgupta 16 Dec 2025
A diver swimming close to a female sperm whale pod.

Unregulated tourism risks disrupting Timor-Leste’s whale migration

Robin Hicks 11 Dec 2025

South Africa withdraws abalone listing even as illegal trade threatens species

Victoria Schneider 8 Dec 2025
People displaced by fighting in Cabo Delgado province, where Palma is located. Image courtesy of Mauricio Bisol/UNICEF.

TotalEnergies faces criminal complaint in France over alleged massacre in Mozambique

Ashoka Mukpo 24 Nov 2025
Pyramid butterflyfish (Hemitaurichthys polylepis) around the island of Bali in Indonesia.

Trade in marine fish for aquariums includes threatened species, lacks oversight: Study

Edward Carver 18 Nov 2025

Study maps whale shark stranding hotspots in Indonesia, highlights conservation needs

Basten Gokkon 18 Nov 2025

Pakistan declares its third marine protected area, but has a long way to go

Ayaz Khan 17 Nov 2025
Algal bloom in the Baltic Sea on July 20, 2019.

‘Not good’: Ocean losing its greenness, threatening food webs

Edward Carver 10 Nov 2025

Expedition charts Cook Islands seafloor, amid scrutiny over mining motives

Elizabeth Claire Alberts 6 Nov 2025

Scientists call for stronger action to save Indonesia’s vanishing seagrass meadows

Basten Gokkon 5 Nov 2025
Satellite images of the chemical spill in Bais Bay. Images courtesy of Sentinel-2L2A.

Ethanol plant spills harmful wastewater into Philippine marine reserve

Mongabay.com 5 Nov 2025
A humpback whale fluke.

Antarctic conservation summit closes with stalemate on MPAs & krill fishing rules

Francesco De Augustinis 4 Nov 2025
Trawlers docked outside Sihanoukville. Screenshot from ‘Illegal fishing and land grabs push Cambodian coastal communities to the brink’ by Andy Ball / Mongabay.

Chaos on Cambodia’s Coast

Mongabay.com 3 Nov 2025
A turkey moray in a coral reef in Mauritius.

In Mauritius, an NGO is tracking the sex life of corals to save them

Malavika Vyawahare 30 Oct 2025
A shark is hauled into the hold of the Pedra da Grelo, a Spanish longliner targeting swordfish in the south Atlantic ocean.

Report finds dangerous mercury levels, highlights mislabeling in shark meat sold in EU

Elizabeth Fitt 29 Oct 2025
A humpback whale

Australia celebrates ‘humpback comeback,’ but a main food source is under threat

Mike DiGirolamo 28 Oct 2025
A oceanic whitetip shark with pilot fish. Image by Johanlantz via Wikimedia Commons (CC BY-SA 3.0).

Mexico adopts protections for Atlantic sharks

Shreya Dasgupta 28 Oct 2025
A harp seal on ice.

Arctic seals edge closer to extinction as sea ice vanishes

Keith Anthony Fabro 23 Oct 2025
A diamond squid, which is found in both epipelagic and mesopelagic zones.

Global conservation body takes first step to protect ocean’s twilight zone

Elizabeth Claire Alberts 23 Oct 2025
Birds flock in the foreground against wind turbines at the Spearville Wind Farm Sunday, Sept. 29, 2024, in Spearville, Kan. (AP Photo/Charlie Riedel)

Radar study shows when offshore turbines pose greatest risks to migrating birds

Edward Carver 21 Oct 2025

Rare dugong calf sighting in Alor spotlights seagrass & marine mammal conservation

Basten Gokkon 21 Oct 2025
A manta ray in the Indian Ocean.

Mining the deep-sea could further threaten endangered sharks and rays

Elizabeth Claire Alberts 20 Oct 2025

Nations delay vote on shipping decarbonization rules after fierce US resistance

Edward Carver 17 Oct 2025

US blocks a global fee on shipping emissions as international meeting ends without new regulations

Associated Press 17 Oct 2025
A green turtle. Image by Bernard DUPONT via Wikimedia Commons (CC BY-SA 2.0).

Green turtle rebounds, moving from ‘endangered’ to ‘least concern’

Shreya Dasgupta 17 Oct 2025

Indonesia falls short in bid to increase its share of southern bluefin tuna catch

Edward Carver 16 Oct 2025

Nickel mining threatens Raja Ampat ecosystems, communities & conservation: Report

Basten Gokkon 16 Oct 2025
A harbor seal pup is carefully restrained by an animal care volunteer during a tube feeding at The Marine Mammal Center’s hospital and visitor center in Sausalito, California.

Will California’s marine mammal conservation success come undone?

David Helvarg 9 Oct 2025
The Laura Mærsk arrives at port in Copenhagen in September 2023 for a name-giving ceremony.

What fuel will ships burn as they move toward net zero?

Edward Carver 8 Oct 2025
Starfish on sunken World War II munitions in the Baltic Sea. Image courtesy of Vedenin et al., 2025 (CC BY 4.0).

Marine life are thriving on Nazi missile debris in the Baltic Sea: Study

Shreya Dasgupta 8 Oct 2025

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