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Fishers in the Mekong River near Chiang Khong, Thailand. Elevated arsenic levels at testing sites in the Mekong indicate that contamination may be spreading into this vital waterway. Image by Stefan Lovgren.

Dangerous arsenic levels detected in Thailand’s Mekong mainstream for first time

Gerald Flynn 8 May 2026

Fishers collect their nets on the Sesan River, just a few hundred meters from the O’Ta Bouk-Sesan confluence. Fishers who use the O’Ta Bouk told Mongabay that their catches have declined significantly over the past three years. Photo by Andy Ball/Mongabay.

Cambodia tested waters amid pollution claims; months later, still no public results

Andy Ball, Gerald Flynn, Phoung Vantha 4 May 2026

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

Malaka Rodrigo 1 May 2026

In Chocó, river defenders say race for energy transition threatens lifelines

Euan Wallace 8 Dec 2025

Alaskan rivers turn orange as permafrost thaws, threatening fish and communities

Liz Kimbrough 25 Sep 2025

15 years after the BP oil spill disaster, how is the Gulf of Mexico faring?

Liz Kimbrough 21 Apr 2025

Blob-headed fish and four mammals among 27 newly described species in Peru’s Alto Mayo

Liz Kimbrough 27 Jan 2025

The Putumayo is a long Amazonian river that begins in Colombia and flows into the Brazilian Amazon. Photo courtesy of Michelle Carrere.

Women in Putumayo turn to fish farming and away from the coca industry

Iñigo Alexander 28 Nov 2024

Largest dam removal ever, driven by Tribes, kicks off Klamath River recovery

Liz Kimbrough 17 Oct 2024

Global migratory freshwater fish populations plummet by 81%: Report

Liz Kimbrough 8 Jul 2024

An anchored trawler offloads its catch to a smaller boat within the Koh Rong Marine National Park. Screenshot from ‘Illegal fishing and land grabs push Cambodian coastal communities to the brink’ by Andy Ball / Mongabay.

Efforts to save Cambodia’s coast tread water as fish stocks plummet

Andy Ball, Gerald Flynn, Vutha Srey 12 Jun 2024

Keo Vannob returns from fishing to his home in Botum Sakor National Park. Screenshot from ‘Illegal fishing and land grabs push Cambodian coastal communities to the brink’ by Andy Ball / Mongabay.

Fishers left with no land, no fish, in fire sale of Cambodian coast

Andy Ball, Gerald Flynn, Vutha Srey 4 Jun 2024

Alaska’s Arctic rivers turn rusty orange as permafrost thaws

Liz Kimbrough 31 May 2024

Two male specimen of the Devils Hole Pupfish (Cyprinodon diabolis) photographed in the Devil's Hole, Nevada. Photo courtesy of Olin Feuerbacher/ USFWS (CC BY 2.0)

A tiny desert fish hits a 25 year population high in one of Earth’s harshest environments

Liz Kimbrough 30 May 2024

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

Small-scale fishers lose out to trawlers in race to catch Cambodia’s last fish

Andy Ball, Gerald Flynn, Vutha Srey 30 May 2024

Latest Peruvian oil spill cuts Indigenous communities from life-giving river

Sarah Brown 25 Apr 2024

Salmon being traditionally baked by Council Member Jaytuk Steinruck of the Tolowa Dee-ni’ Nation.

First ever U.S. Indigenous Marine Stewardship Area declared in California

Liz Kimbrough 29 Jan 2024

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