A sharp surge in octopus numbers has been recorded off the coast of southwest England, causing concern among local fishermen and attracting the attention of scientists. To discuss the situation, the UK Department for Environment, Food and Rural Affairs (Defra) organized a special conference bringing together fishermen, scientists, and fishing management officials. Conference participants exchanged available scientific data and field observations, discussing possible causes and consequences of the mass reproduction of octopuses. Fishermen report that the increase in their population is affecting the harvesting of other seafood species, as octopuses can compete with traditional catch targets or damage fishing gear. Scientists, for their part, are viewing this phenomenon in the context of broader changes in the marine ecosystems of the region, including the possible influence of water temperature and other environmental factors. Representatives of fisheries departments noted the importance of collecting data directly from fishermen working in coastal waters for a more accurate understanding of the scale and dynamics of what is occurring. Following the conference, the parties agreed to continue cooperation and information exchange in order to develop a coordinated approach to managing the situation. Such meetings make it possible to combine the practical experience of the fishing community with scientific expertise, which is particularly important for a timely response to unexpected changes in the marine environment.