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Approximately 1.5–1.8 million fish are harvested annually from spawning aggregations of C. othonopterus during 21–25 days of fishing and within 1,149 km2 of a biosphere reserve.
AUTHORS: Erisman, B., Aburto-Oropeza, O., Gonzalez-Abraham, C., Mascareñas-Osorio, I., Moreno-Báez, M. and Hastings, P.A.
DATE: February 2012
The GCMP engaged in cooperative research with fishers and stakeholders to characterize the fine-scale, spatio-temporal characteristics of spawning behavior in aggregating Cynoscion othonopterus: Sciaenidae and its commercial fishery activity in the Upper Gulf. Approximately 1.5–1.8 million fish are harvested annually from spawning aggregations of C. othonopterus during 21–25 days of fishing within an area of 1,149 km2 of the biosphere reserve. Spawning and fishing are synchronized on a semi-lunar cycle, with peaks in both activities occurring 5 to 2 days before the new and full moon. Fishing intensity and catch are highest at the spawning grounds within a no-take reserve.
Cited over 45 times, results of this study demonstrated the benefits of combining GPS data loggers, fisheries data, biological surveys, and cooperative research with fishers. It produced spatio-temporal information relevant to the science and management of fish spawning aggregations and the spatial planning of marine reserves.