Warming seas drive major changes in Southwest UK marine wildlife, report reveals

Partners in the world of marine research and observation, including the Marine Biological Association (MBA), have highlighted major ecological changes occurring across the region’s waters in the latest State of South-West Seas 2025 report.

MBA-led study advances whale shark tagging techniques to support global conservation

International MBA-led study is helping to transform how researchers study the world’s largest known living fish species, offering practical guidance to improve whale shark tagging techniques and strengthen conservation efforts.

Decline in plankton across North East Atlantic sends warning for ocean health

New study has used more than six decades of data to show that plankton abundance is declining across vast swathes of the North East Atlantic – a region covering the Atlantic Ocean from Portugal to Norway, and the entirety of the North Sea.

Competitive rock pool challenge reveals rare finds and non-native species on UK shores

Thousands of observations of marine wildlife have been recorded during the 2026 National BioBlitz, providing valuable data that will help scientists to monitor changes in biodiversity around the UK coastline.

Supporting future leaders in marine biology: Two major MBA funding opportunities now live

We are pleased to announce the opening of two prestigious funding opportunities designed to support early career and established marine biologists: the Ray Lankester Investigatorship and the Peter Baker Investigatorship. Ray Lankester Investigatorship The Ray Lankester Investigatorship offers established researchers the chance to pursue independent marine biological research at the Marine Biological Association (MBA). The … Read more

MBA team launches whale shark tagging mission in Mexico

The MBA’s Sims Group team of researchers have travelled to La Paz, Baja California Sur, Mexico for a whale shark tagging expedition. The aim of the ERC-funded research expedition to the oxygen minimum zone (OMZ) in the Gulf of California (GoC) is to attach custom-made oxygen, temperature, deep-depth, and body movement-sensing tags to adult female … Read more

Marine Biological Association welcomes Professor Thomas Miller as a Fellow of the MBA

We are proud to welcome Professor Thomas James Miller PhD as a Fellow of the Marine Biological Association (FMBA).

Ocean Wonders in Yarn: MBA staff and students turn Plymouth post box into call to engage with the ocean

An ordinary post box on Plymouth Hoe has been transformed into an eye-catching celebration of marine life, thanks to a team of creative staff and students from the Marine Biological Association, who have handcrafted an intricately beautiful knitted and crocheted topper inspired by the sea.

Bloomin’ Octopus! New film explores the science behind the octopus surge in the southwest

Filmmaker and diver David Palfrey expected a routine dive off the Cornish coast—but instead encountered something extraordinary: octopus after octopus, gathered in open water and observing him in return. These surprising encounters inspired Bloomin’ Octopus! A Tentacular Spectacular, a new short film exploring the remarkable ‘octopus bloom’ in southwest England in 2025.