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credits: Marcelo Vasconcellos

Since the listing of Humphead (Napoleon) Wrasse, Cheilinus undulatus, on CITES Appendix II in 2004, FAO has been actively involved in the development of approaches and guidelines for the assessment of and management of the species.

In collaboration with IUCN Groupers and Wrasses Specialist Group, and funded by the Trust Fund Project “CITES and commercially exploited species”, a stock assessment approach was developed to assist range States in the evaluation of Non-detrimental findings for the species. The approach combines a population model and a method for estimating stock density based on underwater visual surveys, allows for the representation of “grow out” of net-caged animals (a significant part of the trade) and can compute sustainable catch and its associated uncertainty.

The Humphead wrasse assessment model can be downloaded here (Ms Excel required)

Research is currently underway to refine estimates of the habitat area suitable for the species, one of the key parameters of the approach, using remote sensing and GIS techniques.

The approach has been used by Indonesia, the main exporter of humphead wrasse, to evaluate sustainable export quotas for the species.

In addition, FAO is currently preparing technical guidelines for monitoring and management of live reef fish fisheries targeted to the species. The development of the guidelines was identified as a priority by range States during the Western Pacific Workshop on Policy, Enforcement and Sustainable Trade for the CITES Appendix II – listed Humphead (Napoleon) Wrasse, Cheilinus undulatus, held in Hong Kong, 5-7 June, 2006, and jointly organized by CITES, IUCN, TRAFFIC and WWF.

 

SEE ALSO:

Humphead Wrasse Awarness Campaign website of the IUCN Specialist Group for Grouper and Wrasse

 
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