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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
Deep-sea creature thumbnail

New deep-sea creatures unlocked!

Naina Rao 28 Sep 2026
A bluespotted ribbontail ray (Taeniura lymma) on a reef bed by Pulau Hantu

Singapore’s plan to merge several islands could wipe out coral reefs

Robin Hicks 28 Sep 2026
Various fish including bigscale soldierfish (Myripristis berndti), Moorish idols (Zanclus cornutus), and a masked angelfish (Genicanthus personatus) swim in a small outcropping of coral on a reef in Papahānaumokuākea Marine National Monument, Hawai’i, in 2017.

Global coral reefs get less time to recover as oceans heat up, report finds

Keith Anthony Fabro 25 Sep 2026
A volunteer counts cigarettes following a 2012 beach cleanup in Hawai‘i, United States. Image courtesy of the NOAA Marine Debris Program.

Cigarette butts make up 12% of aquatic litter, global review finds

Shanna Hanbury 22 Sep 2026
Freediver and turtle

Tourism has the potential to reverse coral decline at Bali travel hotspot: Study

Carolyn Cowan 22 Sep 2026
Bajau/PELITA member Well uses the Pocong, an octopus shaped fishing lure, to try and tempt an octopus out of the reef.

How freediving helps Indonesia’s Bajau preserve traditions and conserve marine life

Maddy Bolt 21 Sep 2026

H5N1 bird flu jumps to marine mammals and wildlife in Australia

Naina Rao 21 Sep 2026
Herring are unloaded from a fishing boat in Rockland, Maine, in 2015.

US move to loosen restrictions on fishing could harm vital ecosystems, experts warn

Jules Struck 18 Sep 2026
Mending fishing nets in Vietnam

Fishers bear deep costs of plastic pollution in Vietnam, but could help turn the tide

Carolyn Cowan 16 Sep 2026
Offshore wind turbines at Noshiro Port, Japan.

10 promising ways to ‘green’ offshore wind

Sean Mowbray 15 Sep 2026
Bar-headed geese (Anser indicus).

Decline of migratory birds spurs calls for coordinated conservation

Wilson Odhiambo 14 Sep 2026
Codamozza (Italian for “Cut Tail”), a fin whale often sighted by the Italian marine conservation nonprofit Tethys Research Institute in the Pelagos Sanctuary

Can we stop ships from killing the Mediterranean’s last great whales?

Clea Skopeliti, Federica Rossi, Wouter Massink 14 Sep 2026
shark fin

Panama looks to science, fishers, and the law to protect its sharks and rays

Monica Pelliccia 14 Sep 2026
Illustration of the clownfish photo taken by Debby Ng.

A clownfish’s last stand

Rhett Ayers Butler 14 Sep 2026
A turbine being installed at Greater Gabbard offshore wind farm in the U.K.

Offshore wind may be good for the climate but can it be good for the ocean, too?

Sean Mowbray 10 Sep 2026
Tombong Barrow in his rice field rice at Kiang Jifarong, the Gambia. Image by Yero Bah for Mongabay.

As saltwater advances, Gambian farmers rethink how to protect rice fields

Yero S. Bah 10 Sep 2026

How to enhance ocean health and resilience with marine rewilding

Bobby Bascomb 9 Sep 2026
Deep-sea octopus

Caribbean scientists document uncharted deep-sea waters in Trinidad and Tobago

Elizabeth Claire Alberts 9 Sep 2026
Fishing vessels in Dunedin, New Zealand.

New Zealand put fishing boats under camera surveillance. Will it stay the course?

Edward Carver 9 Sep 2026

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