Fish species identification based on its acoustic target strength using in situ measurement.
Journal Title: Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society - Year 2010, Vol 3, Issue 3
Abstract
The purpose of this study is fish species identification using acoustic target strength (TS). In situ measurement has been deployed at the South China Sea of Terengganu Malaysia using Furuno FQ80 Scientific Echo Sounder which included in the research vessel of KK Senangin II. The transducer is placed 2.8 meter under sea surface while fish put in the net cage under the vessel. TS data have been collected independently for commercial fish in Malaysia, there are Selar boops (Oxeye scad), Alepes djedaba (Shrimp scad), Megalaspis cordyla (Torpedo scad), and Decapterus maruadsi (Japanese scad). TS value, depth, and position of specific target have been observed using echogram. TS of every species is different although similar size and at the similar range from transducer. Thus, the specific fish species has been identified based on its acoustic target strength.
Authors and Affiliations
Sunardi Sasmowiyono, Anton Yudhana, Jafri Din, Raja-Bidin Raja-Hassan,
Keywords
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