Poverty Line Fishing (IMAGE) University of California - San Diego Caption These are revenues per subregion generated now (white bars) and that could be generated if all fisheries were recovered and managed sustainably (Maximum Sustainable Yield - MSY). The dashed line represents the national monthly poverty line to maintain a family of four, which is the average family size in Mexico. Credit Alfredo Giron/Scripps Institution of Oceanography at UC San Diego Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.