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Co‐operation in the management of shared fish stocks is often necessary to achieve sustainability and reduce uncertainty. The United States of America (USA) and Mexico share a number of fish stocks and marine ecosystems, while there is some binational co‐operation in scientific research, unilateral management decisions are generally the rule. We present a case study using the giant sea bass (Stereolepis gigas, Polyprionidae) to highlight how these management and research asymmetries can skew national perceptions of population status for a fully transboundary species. Scientific publications and annual funding related to giant sea bass are 7x and 25x higher in the USA, respectively, despite the fact that 73% of the species' range occurs in Mexico. Conversely, annual fishery production and consumptive value of giant sea bass in Mexico are 19x and 3.5x higher than in the USA, respectively, while the non‐consumptive value related to dive ecotourism is 76x higher in the USA. These asymmetries have generated a distorted view of the population status of the giant sea bass across its entire range. This and other factors related to historical fishery dynamics and policy must be accounted for when assessing population status, and subsequent appropriate management responses, across geopolitical boundaries. [ABSTRACT FROM AUTHOR]

Effective fisheries management is necessary for the long‐term sustainability of fisheries and the economic benefits that they provide, but focusing only on ecological sustainability risks disregarding ultimate goals related to well‐being that must be achieved through broader social policy. An analysis of global landings data shows that average fishing wages in 36%–67% of countries, home to 69%–95% of fishers worldwide, are likely below their nationally determined minimum living wage (which accounts for costs of food, shelter, clothing, health and education). Furthermore, even if all fisheries in every country were perfectly managed to achieve their Maximum Sustainable Yield, a common sustainability target, average incomes of fishers in up to 49 countries—70% of fishers worldwide—would still not meet minimum living wages. Access to decent work and livelihoods are fundamental human rights, including for all fisherfolk around the world, and strategies to support their well‐being must therefore integrate a much wider set of perspectives, disciplines and institutions. Key first steps for fisheries researchers are to more fully recognize and estimate fisheries benefits to households—including income from women and/or alternative employment, unreported landings, or shadow values of subsistence catch—and to help identify and learn from economic equity outcomes in rebuilt fisheries around the world. [ABSTRACT FROM AUTHOR]

Fishers' economic status is hard to assess because fisheries socio‐economic data, including earnings, are often not centrally available, standardized or accessible in a form that allows scaled‐up or comparative analyses. The lack of fishing income data impedes sound management and allows biased perceptions about fishers' status to persist. We compile data from intergovernmental and regional data sets, as well as case‐studies, on income earned from marine wild‐capture fisheries. We explore the level and distribution of fishers' income across fisheries sectors and geographical regions, and highlight challenges in data collection and reporting. We find that fishers generally are not the poorest of the poor based on average fishing income from 89 countries, but income levels vary widely. Fishing income in the large‐scale sector is higher than the small‐scale sector by about 2.2 times, and in high‐income versus low‐income countries by almost 9 times. Boat owners and captains earned more than double that of crew and owner‐operators, while income from fisheries is greater than that from agricultural work in 63% of countries in this study. Nonetheless, incomes are below national poverty lines in 34% of the countries with data. More detailed fishing income statistics is needed for quantitative scientific research and for supporting socio‐economic policies. Key gaps to address include the lack of a centralized database for fisheries income statistics and the coarse resolution at which economic statistics are reported internationally. A first step to close the gap is to integrate socio‐economic monitoring and reporting in fisheries management. [ABSTRACT FROM AUTHOR]

Maximum Sustainable Yield (MSY) is a common target for fisheries aiming to achieve long‐term ecological sustainability. Although achieving MSY may ensure the long‐term sustainability of fish populations, we ask whether it will provide economic security for fishers. Here we use 16 years of daily landing records to estimate potential catches and revenues per capita if fisheries were exploited at MSY in 11 subregions across Mexico. We then compare fishers' estimated revenues per capita against national poverty limits at the household level. Our results show that even if MSY is reached in artisanal fisheries, the overcapacity of fleets and the dissipation of rents threatens the economic well‐being of fishers and their families, pushing revenues per capita below poverty levels. Our work demonstrates the importance of resolving the trade‐offs between achieving economic, social and environmental objectives when managing for the long‐term sustainable use of natural resources. [ABSTRACT FROM AUTHOR]