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우리나라 남해안에 분포하는 참문어 (Octopus vulgaris)의 성숙과 산란Maturity and Spawning Period of the Common octopus, Octopus vulgaris in the South Sea of Korea
- Other Titles
- Maturity and Spawning Period of the Common octopus, Octopus vulgaris in the South Sea of Korea
- Issue Date
- 2009
- Publisher
- 한국패류학회
- Keywords
- Common octopus; Octopus vulgaris; maturity spawning period; maturation size
- Citation
- The Korean Journal of Malacology, v.25, no.2, pp 127 - 133
- Pages
- 7
- Indexed
- KCICANDI
- Journal Title
- The Korean Journal of Malacology
- Volume
- 25
- Number
- 2
- Start Page
- 127
- End Page
- 133
- ISSN
- 1225-3480
- Abstract
- The Common octopus, Octopus vulgaris is commercially important species in Korea. Korean fishing vessels have actively caught it. However, the study of this species has been poorly known. Therefore, the purpose of this study is to provide information about Maturation and Spawning period of this species. Samplings have been monthly collected in Tongyoung and Sacheon of Gyeongsangnam-do, using traps. A total of 748 individuals were sampled from February 2007 to January 2008. We analyzed monthly changes in maturity stages, gonadosomatic index, total weight at 50% group maturity. The octopus total weight was between 128.6 and 3381.4 g. Females were distributed between 129.8 and 3381.4 g and males between 128.6 and 2378.4 g. The spawning periods were May to June and September. The total weight at 50% group maturity was estimated to be 919.6 g.
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