With its magnificent ‘sail’ structure, this Psychropotes sea cucumber was spotted while exploring a previously unknown seamount, tentatively called ‘Utu’, located in the northern region of the American Samoa Exclusive Economic Zone. Image courtesy of the NOAA Office…
This vampire squid (Vampyroteuthis infernalis) was imaged during the ‘Designing the Future 2’ expedition at 630 m in the East Cortes Basin. The vampire squid is a relict species, meaning it’s the only animal left in the order…
A large Caulophacus sponge towers more than 2 m off the seafloor, observed during the Papahānaumokuākea ROV and mapping expedition. Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. This week: Learn about cusk eels congregating off…
After a decade of exceptional service, Dr. Harriet Harden-Davies, member of the DOSI Steering Committee and co-lead of the BBNJ Working Group, has stepped down from her role on the Steering Committee. Harriet…
We’re delighted to welcome Júlia and Sierra to the DOSI social media team. They’ll be helping share the wonders of the deep sea with audiences around the world through our Instagram platform. We…
A solitary hydroid drifts in currents at approximately 380 m deep in an area of the seabed that was very recently covered by the George VI Ice Shelf, a floating glacier in Antarctica. Image…
This dense bed of hydrothermal mussels covered the slope of Northwest Eifuku volcano near Champagne vent. Other vent animals like shrimps and gastropods live among the mussels. Image courtesy of the Pacific Ring of Fire 2004 Expedition, NOAA Office…
This striking chimaera, Hydrolagus trolli, was filmed at 2,268 metres in the Gascoyne Marine Park. The species is notable for its vivid blue colouration and distinctive pointed snout. Image courtesy of the Minderoo-UWA Deep-Sea Research Centre at the…