Stock assessment of bigfin reef squid (Sepioteuthis lessoniana Lesson) caught by squid trap at Sikao bay, Trang province
2000
Thanitha Thapanand | Weerachai Phetchsuthti (Kasetsart Univ., Bangkok (Thailand). Faculty of Fisheries. Dept. of Fishery Biology)
Assessment of bigfin reef squid stock at Sikao Bay from 1987 to 1997 revealed that the squid resource in this area had been overfished since 1991 that resulted to the decreasing of the catches in the following years. However, with the declining of fishing efforts, the catches increased again. The study showed that the Maximum Sustainable Yield of the bigfin reef squid was 301.693 tons and its optimum fishing effort was 54,000 days. Thus, for the sustainable yield of bigfin reef squid in this area the number of fishermen should be limited to 225.
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