Use methods to trace the source of catch
Overall effectiveness category Awaiting assessment
Number of studies: 0
Background information and definitions
Across the globe fish stocks are at risk of collapsing due to overexploitation and a factor that contributes to the problem is illegal fishing. Using methods to trace the source of catches should provide the transparency and openness required to confirm and validate legal fish catches. This may deter or prevent illegal fishing if fishers know they may be caught if they try to land illegally caught fish. One such method is DNA testing that can differentiate fish populations of the same species from where they were caught. That means telling, for instance, the difference between Atlantic cod captured legally in the Eastern Baltic and cod caught illegally in the North Sea. Or it can mean identifying prohibited or endangered species such as sharks (Feitosa et al. 2018).
Feitosa L.M, Martins A.P.B, Giarrizzo T., Macedo M., Monteiro I.L, Gemaque R., Nunes J.L.S., Gomes F., Schneider H., Sampaio I., Souza R., Sales J.B., Rodrigues-Filho L.F., Tchaicka L. & Carvalho-Costa L.F. (2018) DNA-based identification reveals illegal trade of threatened shark species in a global elasmobranch conservation hotspot. Scientific Reports, 8, article 3347.