Loading video... VIDEO: An animation showing how managing crab and lobster catches could offer long-term benefits to fishermen and the environment view more Credit: University of Plymouth The UK's commercial fishing industry is currently experiencing a number of serious challenges. However, a study by the University of Plymouth has found that managing the density of crab and lobster pots at an optimum level increases the quality of catch, benefits the marine environment and makes the industry more sustainable in the long term. Published today in Scientific Reports, a journal published by the Nature group, the findings are the result of an extensive and unprecedented four-year field study conducted in partnership with local fishermen off the coast of southern England.