Southwest UK octopus bloom provides feast for Risso’s dolphins

Remarkable images of a Risso’s dolphin appearing to be ‘ridden’ by an octopus providing striking evidence of how an ongoing bloom in octopus numbers may be affecting marine wildlife in the sea off the Devon and Cornwall coast.

MBA to play key role in project to improve protection for sharks in English waters

The Marine Biological Association (MBA) is playing a critical role in a major new conservation project that will help to improve understanding and protection of some of England’s most iconic shark species. Led by the University of Exeter and supported through Natural England’s Species Recovery Programme, the three-year project, From data to action: comprehensive assessment … Read more

Octopus bloom: We must “plan for a future where these changes may become more frequent” says leading marine scientist

C. Kirsty Andrews | Octopus being harassed by cuckoo wrasse The Marine Biological Association (MBA) has released new findings from the second major scientific study documenting an unprecedented surge, or “bloom”, of common octopus (Octopus vulgaris) off the southwest coast of the UK since 2025. The event is the largest recorded in at least 75 … Read more

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.

Shaping the future of sustainable scallop potting

The Marine Biological Association (MBA) recently hosted a collaborative Scallop Potting Workshop, bringing together fishermen, regulators, researchers, industry representatives, businesses, and environmental NGOs for a full day of focused discussion on the future of this promising low‑impact fishery.

Octopus bloom off Southwest UK: New report reveals scale, causes and consequences

A new report led by the Marine Biological Association (MBA) in collaboration with Plymouth Marine Laboratory (PML), the University of Plymouth and an independent consultant has revealed that a dramatic population bloom of the common octopus (Octopus vulgaris) off the Southwest coast of the UK is having significant effects on fisheries and marine ecosystems.

The Marine Biological Association’s long history of fisheries management research

The release earlier this year of Ocean with David Attenborough, and the accompanying book, Ocean Earth’s Last Wilderness, have served as timely reminders of the vital role the ocean plays in the health and resilience of our planet. MBA researchers, including Senior Research Fellow Dr Bryce Stewart, were actively involved in the making of the film.

Extraordinary sea fan reef discovered off England’s Southwest coast during filming of ‘Ocean with David Attenborough’

Hidden but vulnerable marine treasure discovered in collaboration between the Marine Biological Association, Silverback Films and Open Planet Studios. In an extraordinary moment of chance during the production of Ocean with David Attenborough, a vibrant and exceptionally well-preserved pink sea fan reef has been discovered off the southwest coast of England. The find, described as … Read more

Marine Biological Association makes key contribution to new documentary film Ocean with David Attenborough

Senior Research Fellow Dr Bryce Stewart and the Marine Biological Association’s (MBA) research vessel ‘Sepia’ played a vital role in helping to create key sequences in the film and ensuring its scientific accuracy. Dr Bryce Stewart, Senior Research Fellow for Fisheries and Conservation at the Marine Biological Association (MBA) and Associate Professor at the University … Read more

Urgent policy action needed to reverse decline in UK fisheries and protect coastal communities

A major new study co-authored by the Marine Biological Association (MBA) has issued a stark warning that the UK is at serious risk of losing the wide-reaching benefits of its sustainable fisheries unless urgent action is taken. The paper, Recognising and Protecting the National Benefit of Sustainable Fisheries in the UK, highlights the deepening decline … Read more