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A West African seahorse (Hippocampus algiris) is a vulnerable species found in West Africa

Four alleged wildlife traffickers arrested in Guinea, dried seahorses and shark fins seized

Spoorthy Raman 10 Jun 2026
Deep-sea glass squid

Experts say ‘bare bones’ US laws are unfit to regulate nascent deep-sea mining industry

Elizabeth Claire Alberts 9 Jun 2026
A dead dusky morwong (Dactylophora nigricans) lies on a bed of seaweed at the water’s edge.

A year on, Australia’s biggest harmful algal bloom continues to wreak havoc

Nick Rodway 8 Jun 2026
Jannes Landschoff diving in the Great African Seaforest. Image courtesy of Jannes Landschoff.

World Oceans Day: Marine protected areas surpass 10% mark in 2026

Mongabay.com 8 Jun 2026
Giant soft coral in South Korea

‘Slumping’ afflicted soft corals around a South Korean island in 2024. Will it return this year?

Elizabeth Claire Alberts 8 Jun 2026
Microeledone galapagensis, a tiny blue octopus, was found in the deep sea in the Galapagos. Image courtesy of the Charles Darwin Foundation.

New golf-ball sized blue octopus species now identified in the Galapagos

David Brown 5 Jun 2026

Sea cucumber tissue survives for years in open water, study finds

Naina Rao 5 Jun 2026
A thornback ray used in experiments to measure the impacts of electromagnetic field sensitivity rests in the Wageningen University & Research laboratory. Image courtesy of Annemiek Hermans.

Offshore wind power cables can affect sensory system of sharks and rays: studies

Malaka Rodrigo 4 Jun 2026
A blue-spotted bamboo shark photographed in Madagascar in 2025. Image courtesy of Tsarahasina Fanomenzana.

New records of ‘lost’ bamboo shark confirmed in Madagascar

Shreya Dasgupta 4 Jun 2026

Scientists warn of climate blind spot as U.S. dismantles ocean sensors

Naina Rao 4 Jun 2026

Tiny ‘sesame’ sea slug discovered in Taiwan is first of its genus named in 30 years

Naina Rao 4 Jun 2026
Orcas performing in a show at Marineland Antibes in 2013.

France to send its last captive orcas to marine park, not sanctuary

Spoorthy Raman 3 Jun 2026
Atlantic Puffin, Norway. Image courtesy of Ujval Pasupuleti / Ocean Image Bank.

Uncertainty about weakening Atlantic currents isn’t a reason to wait but to act (commentary)

Helen Findlay 2 Jun 2026
Petrobras says in its emergency plan that it’s "unfeasible" to rescue animals weighing more than 50 kilos (110 pounds).

Amazon oil drilling plan excludes unique hybrid manatees too big for rescue

Fernanda Wenzel 2 Jun 2026
Model of Jiaolong submersible at the Five-Year Achievements Exhibition. Image by N509FZ via Wikimedia Commons (CC BY-SA 4.0).

How we tracked China’s deep-sea mining fleet

Elizabeth Claire Alberts, Kara Fox 1 Jun 2026
A Mediterranean monk seal off Formicula in Greece.

Hidden ‘bubble cave’ may help world’s rarest seal steer clear of humans: Study

Megan Strauss 30 May 2026
A glass octopus, a nearly transparent species whose only visible features are its optic nerve, eyeballs and digestive tract.

As economic case for deep-sea mining weakens, industry should halt urgency to begin operation (commentary)

Andy Whitmore 28 May 2026
A cornfield flooded with salts in the eastern United States. Crops didn’t survive in the low-elevation sections of the field, which abuts a tidal wetland. Image courtesy of Jarrod Miller/Delmarva Saltwater Intrusion.

Risk of saltwater intrusion into coastal groundwater spans the globe: Study

Edward Carver 28 May 2026

New species of ghost pipefish named after Sesame Street character found in Australia

Naina Rao 28 May 2026
Deep-sea starfish in American Samoa

US prepares to auction leases for seabed mining blocks in federal waters

Elizabeth Claire Alberts 27 May 2026
Still image from the film A Salmon Nation, courtesy of Patagonia Films.

Iceland must protect wild salmon and reject new aquaculture legislation (commentary)

Yvon Chouinard 26 May 2026
Aerial view of a cargo ship. Photo by Cameron Venti / Ocean Image Bank

The most underfunded climate opportunities may be at sea

Rhett Ayers Butler 25 May 2026

West Asia conflict brings Norwegian marine research vessel back to Sri Lanka

Malaka Rodrigo 23 May 2026

World Turtle Day: Important conservation wins amid turtle extinction crisis

Mongabay.com 22 May 2026
Endangered subspecies Southern resident orcas (Orcinus orca ater). Image by ywcai via iNaturalist (CC BY-NC 4.0).

AI listens for endangered orcas to help reduce underwater noise exposure

Mongabay.com 22 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
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
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

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