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A lake with a large-scale algae outbreak due to excess nutrients. Image courtesy of Brad Busenius via Flickr (CC BY-NC 2.0).

Mangroves are ‘powerful and undervalued’ for curbing nitrogen pollution, study finds

Shanna Hanbury 21 May 2026
Combining satellite images helped reveal reefs in northern Australia.

More than 1,000 uncharted coral reefs mapped in vast, understudied northern Australia

Megan Strauss 21 May 2026

New conservation effort launched to protect coral reefs in Yap

Naina Rao 21 May 2026
Dugong rescue in Thailand

Thai island community rallies to protect beloved dugongs, revive declining seagrass

Carolyn Cowan 21 May 2026

Mexico rejects ‘Perfect Day’ waterpark on Caribbean coast, citing environmental risks

Maxwell Radwin 20 May 2026
A new species of carnivorous “death ball” sponge from the genus Chondrocladia, discovered off the South Sandwich Islands. Image courtesy of ROV SuBastian/Schmidt Ocean Institute.

Ghost shark, carnivorous sponge among 1,000+ newly discovered marine species

Shreya Dasgupta 20 May 2026
A fever of mobula rays photographed underwater in June 2025. Image by Rhett A. Butler/Mongabay.

A fever of mobula rays off Mexico’s coast: Photo of the week

Shanna Hanbury 20 May 2026
Ed Singson shows off the seaweed in his bucket

Philippine fishing and Indigenous communities wary of clean energy boom in Marcos stronghold

Michael Beltran 18 May 2026
Sand mining along the Mekong River

19,000 Great Pyramids a year: Report flags unsustainable rate of sand mining

Carolyn Cowan 18 May 2026
Monica Montefalcone. From her social media.

Monica Montefalcone, leading seagrass scientist, dies in Maldives diving accident, aged 51

Rhett Ayers Butler 16 May 2026
Banner image: Wheelchair on a beach. Image courtesy of Lucas Andrade via Pexels.

Marine conservation suffers when the ocean is not accessible to all, especially on remote islands (commentary)

Elsie Gabriel 15 May 2026
An Australian flatback sea turtle (Natator depressus). Image by Dylan Goldspink.

Karajarri celebrate Australia’s first ‘Sea Country’ Indigenous Protected Area

John Cannon 14 May 2026
Sea pen in the South Arran MPA. Image © COAST/Howard Wood.

Seabed life triples after bottom trawling ban in Scotland protected area

Shanna Hanbury 14 May 2026

At world’s largest shark conference, scientists warn of a grim outlook across the board

Philip Jacobson 14 May 2026
Endangered Antarctic fur seals on South Georgia Island. Image by Rhett A. Butler/Mongabay.

China and Norway push to increase krill harvests around Antarctica

Francesco De Augustinis 14 May 2026
Carrion crows engage in cooperative breeding which requires intricate communication between entire families that are involved in raising chicks.

From caws to code: AI helps decrypt animal communication

Abhishyant Kidangoor 14 May 2026
A waddle of chinstrap penguins (Pygoscelis antarctica) on Deception Island, Antarctica. Image courtesy of Jay Williams / WWF.

The Southern Ocean is key to our planet’s future & we have a chance to protect it this year (commentary)

Zac Goldsmith 13 May 2026

In eastern Indonesia, communities revive customary systems to protect the seas

Hans Nicholas Jong 13 May 2026

Sawfish in Sri Lanka may be ‘functionally extinct,’ but refuges remain

Mongabay.com 13 May 2026
Community members protest fossil fuels at a beach in Tolú, a town on the Gulf of Morrosquillo in Colombia, in November 2025. Crude oil is exported from the area.

Sour on the ‘blue economy,’ small-scale fishers seek ‘blue justice’ instead

Edward Carver 12 May 2026
Pair of flamingos in Marawah Marine Biosphere Reserve, Abu Dhabi, UAE. Image courtesy of Maitha Bughanoom.

Arabian Gulf’s fragile marine ecosystem threatened by current crisis (commentary)

Razan Al Mubarak 11 May 2026

Ocean philanthropy: small sums for a vast domain

Rhett Ayers Butler 11 May 2026
Collage, Jahëna Louisin, Mongabay reporter, and a Vodun ritual

Vodun’s sacred role in saving West Africa’s mangroves

Jahëna Louisin 9 May 2026

A baby boom for North Atlantic right whales, but extinction still a threat

Bobby Bascomb 6 May 2026
Dried daisy stingrays in stacks at a fish landing site in southern Senegal with sea in background.

In Senegal, artisanal fishing kills a surprising number of sharks and rays: study

Victoria Schneider 5 May 2026
Scientists from Konservasi International satellite tagging a whale shark.

A 10-year whale shark satellite study helps create new protected area in Indonesia

Claire Turrell 5 May 2026

Iceland plans to resume whale hunting this summer

Bobby Bascomb 4 May 2026

Endangered whale protections may be delayed to 2035 under Trump-backed plan

Associated Press 4 May 2026
Green sea turtles (Chelonia mydas) feeding on seagrass. Image courtesy of Liam McGuire via Ocean Image Bank.

With its first marine reserve, Ghana protects its ocean to secure its future (commentary)

Emelia Arthur 4 May 2026
Tierney Thys with sunfish. Photo by Mike Johnson / Earth Window

Tierney Thys, marine biologist and interpreter of the sunfish

Rhett Ayers Butler 4 May 2026

World’s largest shark conference is set to begin in Sri Lanka next week

Malaka Rodrigo 1 May 2026
An orange-footed sea cucumber (Cucumaria frondosa). Image courtesy of Sara Jobson/Mercier Lab.

Global trade in sea cucumbers ‘alarming’ with many species at risk: Study

Edward Carver 30 Apr 2026

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