[논문]동해안 대문어(Enteroctopus dofleini)의 문어상자 행동 실험

김병관; 서영일; 정성재; 양재형

doi:10.3796/ksfot.2022.58.3.199

동해안 대문어(Enteroctopus dofleini)의 문어상자 행동 실험
Behavioural experiments of Pacific giant octopus (Enteroctopus dofleini) to wooden octopus pot in the tank 원문보기

수산해양기술연구 = Journal of the Korean Society of Fisheries and Ocean Technology, v.58 no.3, 2022년, pp.199 - 204

김병관 (국립수산과학원 동해수산연구소) , 서영일 (국립수산과학원 동해수산연구소) , 정성재 (국립수산과학원 남해수산연구소) , 양재형 (국립수산과학원 동해수산연구소)

Abstract ▼ AI-Helper

The Pacific giant octopus (Enteroctopus dofleini) is one of the most important species in the East Sea fishery of Korea. The annual production of Pacific giant octopus in 2021 was 3,880 metric ton between Gangwon province and Gyeongsangbuk province. Most of the fishing gears for the octopus fishery were based on behavioral properties such as thigmotaxis and chemotaxis. Wooden octopus box is also one of the fishing gears, which is application of thigmotaxis for the octopus capture in fishing industry. In this study, the tank experiments were designed to examine the behaviour and the effect of surface roughness to the infiltration of the octopus quantitatively. Three different types of octopus boxes were used for the experiments with different surface roughness on the average of 701.6 ㎛, 141.7 ㎛ and 2.09 ㎛ for each gear. 22 trials were conducted from June to September 2021. The normality of the experiments was tested using Shapiro-Wilk normality test (p-value < 0.05). The significance of results was conducted by Kruskal-Wallis rank sum test (Chi-squarded = 21, Degree of freedom = 3, p-value < 0.05). The use of wooden octopus box with rough surface was found to enhance the catch efficiency and observe infiltration behaviour of the octopus frequently.

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동해안 대문어(Enteroctopus dofleini)의 문어상자 행동 실험
Behavioural experiments of Pacific giant octopus (Enteroctopus dofleini) to wooden octopus pot in the tank 원문보기

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동해안 대문어(Enteroctopus dofleini)의 문어상자 행동 실험 Behavioural experiments of Pacific giant octopus (Enteroctopus dofleini) to wooden octopus pot in the tank 원문보기

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동해안 대문어(Enteroctopus dofleini)의 문어상자 행동 실험
Behavioural experiments of Pacific giant octopus (Enteroctopus dofleini) to wooden octopus pot in the tank 원문보기