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.

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.

Kelp forests show resilience to disturbance – but warming seas may slow recovery

Kelp forests along the UK coastline are more resilient to disturbance than previously thought, according to a MBA study recently published in the Journal of Ecology.

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.

Study provides detailed assessment of shifts in toxin producing phytoplankton abundance

UK researchers, including from the Marine Biological Association and the University of Plymouth, have shown how the distributions of two phytoplankton groups known to produce natural toxins that can halt shellfish harvesting have changed in the North East Atlantic over the last six decades.