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Adriana Hora dos Santos harvests oysters from a mangrove forest near Areia Branca, a former traditional village that is now a neighborhood of Aracaju. Photo by André Cherri / V.U.E.L.A.

‘Enclosed river:’ Women shellfish gatherers fight for access to mangroves in Brazil

Carolina de Marchi 16 Oct 2026
People gather to watch a trapped shark called Bukangi at the North Port Waterfront Park in Busan, South Korea, on Sept. 29, 2026. Image by AP Photos/Son Hyung-joo/Yonhap.

Celebrity shark trapped in South Korean canal stirs concerns over warming seas

Kelly Kasulis-Cho 16 Oct 2026
The village of Bento Rodrigues in the aftermath of the Mariana mining disaster in Minas Gerais, Brazil, in 2015, showing destroyed buildings caked in mud and a lot of debris.

Climate change could send more toxic mining waste into coastal waters, study warns

Madeline Shaw 16 Oct 2026
Wandering albatrosses on South Georgia, a remote island in the South Atlantic Ocean that’s a key breeding spot for this and other albatross species. The species’ population on the island has declined significantly in recent decades.

Nations at southern bluefin tuna meeting stop short of adopting new seabird protections

Edward Carver 15 Oct 2026
A Nassau grouper (Epinephelus striatus), a commercially important fish, was once abundant, but its numbers have dwindled in Belize and throughout the Caribbean, and it’s now critically endangered. Image courtesy of Connor Holland/Ocean Image Bank.

Belize looks to the deep sea to complete its 30% ocean protection pledge

Marco Lopez 15 Oct 2026
A Peruvian artisanal fisher poses with a jumbo flying squid. Image courtesy of National Society of Artisanal Fishing of Peru (SONAPESCAL).

From paper parks to lasting protection, here’s what works in marine conservation

Rhett Ayers Butler 15 Oct 2026
Artificial mangrove roots

Artificial mangrove roots offer a stopgap for Thailand’s eroding coastline

Carolyn Cowan 15 Oct 2026

Supreme Court declines to hear the case of a lobster fisherman who opposes boat tracking

Associated Press 14 Oct 2026
Drone photograph of the mangrove forests surrounding Munroe Island, Kerala, India. Image by Cymatics.in via Unsplash

Mangroves gain ground globally, marking turnaround after decades of loss

Samuel Ogunsona 14 Oct 2026
Lionfish captured off the coast of Porto Seguro in Bahia state, northeastern Brazil. Image courtesy of Lecomar/UFSB.

Invasive lionfish reach Brazil’s largest coral reefs. Local fishers fight back

Mongabay.com 14 Oct 2026
Indo-Pacific humpback dolphins, listed as vulnerable on the IUCN Red List, face increasing threats in Malaysia, from coastal development, boat traffic, and fishing net entanglement. Image courtesy of MareCet.

Eavesdropping on Malaysia’s dolphins: Interview with marine bioacoustician Saliza Bono

Ashley Yeong 14 Oct 2026
Fishers pose with squid on a Chinese squid-fishing vessel.

Chinese squid tied to labor abuses finds an easy route into Western markets

Francesco De Augustinis 14 Oct 2026
Vivid orange sea star became an internet sensation for its uncanny resemblance to the cartoon character Patrick Star

‘Patrick’ sea star went viral, but Argentine deep-sea canyon held 57 new species

Liz Kimbrough 13 Oct 2026
A man shovels sand into bags on Mahera beach. Image by Patricia Sia Ngevao.

As sand becomes more valuable, Sierra Leone’s Mahera Coast grows more vulnerable

Patricia Sia Ngevao 13 Oct 2026
Advanced Aquarium Technologies New Zealand recently developed smaller, more mobile UV-C tools that are better suited for rocky and reef habitats.

New Zealand builds an arsenal of tools to battle a ‘wily’ invasive seaweed

Edward Carver 13 Oct 2026
Sirachai Arunrugstichai takes a photo of a school of bigeye snappers at Hat Noppharat Thara – Mu Koh Phi Phi National Park, a marine park in Krabi province, Thailand, in 2018. Image courtesy of Tanakit Suwanyangyuan.

Shedding light on the sea: Interview with Thai photographer Sirachai Arunrugstichai

Pratch Rujivanarom 13 Oct 2026
Project team members prepare juvenile bull kelp for transplanting in Clayoquot Sound. Image courtesy of Graeme Owsianski/Redd Fish Restoration Society.

First Nation-led effort replants kelp forests in Clayoquot Sound

Rhett Ayers Butler 12 Oct 2026
Oil from the 2010 Deepwater Horizon oil spill. Image courtesy of NOAA.

Oil pollution is drifting into marine protected areas, report finds

Shanna Hanbury 12 Oct 2026
A photo taken on July 19, 2026, shows Sorn Srenh, deputy chief of Koh Sdach commune, who has turned grassroots action into a model for marine conservation. Image by Eung Sea for Mongabay.

Community action to protect Cambodia’s seas: Interview with commune leader Sorn Srenh

Eung Sea 12 Oct 2026
Big blue octopus (Octopus cyanea) with diver in background in waters off Hawaii. Photo credit: naturepl.com / David Fleetham / WWF

World Octopus Day: new discoveries about the world’s smartest invertebrates

David Brown 8 Oct 2026
Angelshark, commonly called peixe anjo in Brazil, (“angel fish” in Portuguese), continues to be sold at stalls in the Porto Alegre Public Market. Image courtesy of Alex Rocha/PMPA.

Endangered angelshark is still traded in Brazil despite import ban

Fernanda Wenzel 8 Oct 2026
Northern sea otters (Enhydra lutris ssp. kenyoni) in a kelp forest in Strathcona

Science, Indigenous knowledge team up to restore Canada’s kelp. (Sea otters help, too.)

Jennifer Cole 6 Oct 2026

Satellite data reveal massive scale of routine oil pollution in oceans. See the map

Shanna Hanbury 2 Oct 2026
Viernamese fishers in a boat.

Vietnam’s fishers face rising costs, declining catches and a contested sea

Minh L Tran 2 Oct 2026
Researcher Raquel Peixoto inoculating probiotics on bleached coral during a 2022 heat wave in the Red Sea. Image courtesy of Morgan Benett-Smith.

Probiotics prevented coral bleaching during a Red Sea heat wave: Study

Allessandra DiCorato 2 Oct 2026

How to grow $25K into community-led conservation: Interview with Tanzania’s Mwambao

David Akana 2 Oct 2026
A low tide on hermit crab amid mangrove roots.

Mangroves keep waves at bay. A new study helps scientists predict how

Isabel Gil 1 Oct 2026
Dolphins use whistles to communicate with each other and rapid clicking sounds to locate prey. Image courtesy of NOAA.

Dolphins keep their social and hunting lives in separate waters, study finds

Abhishyant Kidangoor 1 Oct 2026

Indonesia’s new peatland agency faces questions over what it will do differently

Hans Nicholas Jong 1 Oct 2026

Plastic fused to coral rubble raises new concerns for ocean pollution

Bobby Bascomb 29 Sep 2026
A humpback whale back surrounded by murres and other seabirds off the coast of Alaska, with a fishing vessel in background. As warm waters reduced offshore krill, whales moved closer to the coast, where crab fishers set their traps and cast their nets, leading to a spike in whale entanglements.

New global maps chart 40 years of ocean heat and acidification extremes

María Paula Rubiano A. 29 Sep 2026

More plastic, less glow? Pollution threatens deep sea’s bioluminescent life, experts warn

David Brown 28 Sep 2026

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