Fish Species around Fish Aggregating Devices and Other Floating Objects Used for Tuna Purse Seine Fishing in the Eastern Indian Ocean

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Published: Mar 1, 2019
Keywords:
Fish aggregating device Other floating object Tuna purse seine Indian Ocean Fish species Frequency of occurrence

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Watcharapong Chumchuen
Marine Fisheries Research and Development Division, Department of Fisheries, Thailand
Prasit Luesrithawornsin
Oversea Fisheries and Transshipment Control Division, Department of Fisheries, Thailand
Aekkarat Wongkeaw
Oversea Fisheries and Transshipment Control Division, Department of Fisheries, Thailand

Abstract

Fish aggregating devices (FADs) and other floating objects (OTHs) are used in tuna purse seine fishing because they are effective in attracting tunas. The objective of this study was to describe the fish species associated with FADs and OTHs in the Eastern Indian Ocean. The FADs were deployed during fishing surveys in 2012 and 2013 operated by FRV Mahidol. In addition to FADs, OTHs with fish schools aggregating around them found during the fishing surveys were also recorded. A total of 15 fish species, including three species of cartilaginous fishes and 12 species of teleost fishes were recorded through visual census technique, trolling line and purse seine fishing around FADs and OTHs. Results revealed that there was no statistically significance for taxa richness and for frequency of occurrence of 11 fish species between FADs and OTHs. This study proved that FADs and OTHs can be used to attract tunas in the Eastern Indian Ocean. Among the 15 species, silky shark and devil ray were considered as non-targeted species, which were listed on the CITES Appendix II. Fishery management measures should include the appropriate use of FADs and OTHs to support the sustainable utilization of fishery resources.

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How to Cite
Chumchuen, W., Luesrithawornsin, P., & Wongkeaw, A. (2019). Fish Species around Fish Aggregating Devices and Other Floating Objects Used for Tuna Purse Seine Fishing in the Eastern Indian Ocean. Journal of Fisheries and Environment, 43(1), 33–39. Retrieved from https://li01.tci-thaijo.org/index.php/JFE/article/view/156223
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Vol. 43 No. 1 (2019): January-April
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Articles

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