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Shark meat on sale in Brazil is labeled as “cação,” a generic term whose true meaning is unknown to most Brazilians, surveys show.

Brazil’s shark meat problem

Rhett Ayers Butler 13 Aug 2025
A loggerhead hatchling in Boa vista. Image courtesy of The Turtle Foundation.

Former poachers guard Cabo Verde’s endangered sea turtles

Sonam Lama Hyolmo 4 Aug 2025
Researchers Dušan Materić, left, and Helge Niemann, right, collecting water samples in the North Atlantic Ocean. Image courtesy of NIOZ.

Scientists use the ‘smell of burned plastic’ to measure nanoplastics in the ocean

Shanna Hanbury 30 Jul 2025

That ‘fish’ on the menu? In Brazil’s schools and prisons, it’s often shark

Philip Jacobson, Karla Mendes, Kuang Keng Kuek Ser 29 Jul 2025
A barrier collects plastic waste at Kingston Harbor in Jamaica. Image courtesy of The Ocean Cleanup.

Scientists find millions of tons of nanoplastics in the North Atlantic Ocean

Shanna Hanbury 25 Jul 2025
An Atlantic cod (Gadus morhua).

Evolution in overdrive as Baltic cod shrink due to fishing pressure, study shows

Edward Carver 18 Jul 2025

Global tracking study reveals marine megafauna hotspots lie largely unprotected

Keith Anthony Fabro 16 Jul 2025
Hydrogen storage tanks are visible at the Iberdrola green hydrogen plant in Puertollano, central Spain, March 28, 2023.

Locals fear Chile’s new port project for green energy will disrupt ecosystems

Aimee Gabay 11 Jul 2025
Squat lobsters and soft coral in the deep sea.

U.S. federal agency clears ways for deep-sea mining — and companies are lining up

Elizabeth Claire Alberts 8 Jul 2025
Julio and Isaac Blanco fish octopus along the coast of Asturias, Spain, using traditional nasas cages.

Two coasts, one struggle for octopus fishers battling overfishing and warming waters

Davide Mancini, Paola Margu 30 Jun 2025
A brittle star (Gorgonocephalus sp.), recognizable by its numerous abundantly branched arms, attached to a white coral (Desmophyllum pertusum).

First-ever assessment highlights threats to Atlantic cold-water corals

Keith Anthony Fabro 30 Jun 2025
Artisanal fishermen fishing in Senegalese waters, not far from Madeleine Island.

Illegal fishing and its consequences: the human toll of migration in Senegal

Elodie Toto 30 Jun 2025
A dusky whaler shark (Carcharhinus obscurus) entangled in Ballina, New South Wales, Australia in 2017.

On its 50th anniversary, ‘Jaws’ continues to provoke shark conservationists

Edward Carver 18 Jun 2025
Abundant in the Sargasso Sea (above), sargassum has been blossoming in the Caribbean and on the Amazon shore.

New study dismisses Amazon River runoff as primary cause of sargassum blooms

Julian Reingold 11 Jun 2025

Scientists underestimate frequency of South Atlantic heating events: Study

Bobby Bascomb 16 May 2025
2025 Goldman Prize winner Carlos Mallo Molina (Photo: Goldman Environmental Prize)

How a road engineer became an ocean activist & won the world’s top environmental prize

Mike DiGirolamo 13 May 2025
A pod of Sperm Whales move into a defense line to stop a pod of Orcas (Killer Whales) getting to their calf, off the coast of Sri Lanka. Image © Paul Hilton / Greenpeace.

Our responsibility for cetacean conservation grows with proof of their intelligence (commentary)

Avery Ancell 8 May 2025
A school of anthias (Pseudanthias bartlettorum) and a school of white tip sharks at Jarvis Island, one of seven U.S.-controlled islands and atolls around which the Pacific Islands Heritage Marine National Monument is based. President Donald Trump opened most of the monument to commercial fishing in an April 17 executive order. Image courtesy of NOAA.

Under Trump, US retreats from global fisheries and oceans leadership

Edward Carver 29 Apr 2025
Tagging commercially caught albacore offshore of Oregon, on the U.S. West Coast. Image courtesy of NOAA Fisheries. 

Sweeping cuts and deregulation imperil U.S. fisheries, experts warn

Edward Carver 21 Apr 2025
Two North Atlantic right whales photographed in the Bahamas. Image courtesy of Jero Prieto/Pelagic Life.

Critically endangered right whales spotted in the Bahamas for first time

Shanna Hanbury 21 Apr 2025
A baby colossal squid. Image courtesy of the Schmidt Ocean Institute.

Baby colossal squid recorded for the first time in its deep-sea home

Bobby Bascomb 16 Apr 2025
North Atlantic right whales (Eubalaena glacialis).

Counting whales by eavesdropping on their chatter, with help from machine learning

Abhishyant Kidangoor 18 Mar 2025
The Cape Orange National Park on the Amazonian coast of the state of Amapá. Block 59 - the site where Petrobras wants to drill - is located offshore 160 kilometers (99 miles) away. Image © Victor Moriyama / Greenpeace.

Oil drilling in the mouth of the Amazon – Lula on a course to disaster (commentary)

Philip M. Fearnside 24 Feb 2025
right whale breaching

Right whales can live to 130, but in North America they die young

Edward Carver 10 Jan 2025
An Atlantic puffin (Fratercula arctica) on Skomer Island, Pembrokeshire, Wales.

Atlantic puffins are perilously attracted to artificial light

Spoorthy Raman 7 Jan 2025
fishers carrying a boat back to shore after a fishing trip

‘Shifting baselines’ in Cabo Verde after 50 years of declining fish stocks

Edward Carver 16 Dec 2024

Conservationists see progress for swordfish, problems for sharks at Atlantic fisheries summit

Edward Carver 25 Nov 2024
Atlantic herring (Clupea harengus) at an aquarium in Norway in 2015. Herring

Leaders fail to address overfishing near Europe at ‘fraught’ international meeting

Edward Carver 22 Nov 2024
Sperm whales inside Azores MPA Network. Image courtesy of Andy Mann/National Geographic.

The Azores creates largest marine protected area network in the North Atlantic

Shreya Dasgupta 29 Oct 2024

Scientists discover new hammerhead shark species — and it’s already at risk

Shanna Hanbury 18 Oct 2024
The Atlantic Ocean from Massachusetts.

Controversial US marine geoengineering test delayed until next year

Jeremy Hance 2 Oct 2024
A mariscadora uses a clam rake to dredge for shellfish off Cambados in Galicia. Image by Naomi Mihara for Mongabay

In northern Spain, climate change is killing shellfish — and women’s livelihoods

Naomi Mihara, Natalie Donback 29 Jun 2024

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