open access
메뉴
open access
메뉴
ISSN : 1225-3480
2006년 6월부터 11월까지 매월 1회씩 제주도 귀덕, 신산, 김녕, 강정 연안에서 정치망에 의해 채집된 창꼴뚜기를 대상으로 창꼴뚜기의 생식생물학적 특성에 관하여 연구하였다. 조사기간 동안 총 759 개체의 창꼴뚜기 중에서 암컷은 429 개체, 수컷은 330 개체로 나타났다. 암컷의 경우, 조사 기간 중 미숙, 중숙, 성숙, 완숙기의 개체들이 혼재하여 출현하였으며 산란이 가능한 완숙 개체는 조사기간 중 초기인 6월을 제외하고 모든기간에 걸쳐 관찰되었고, 11월에 출현비율이 가장 높았다. 수컷도 조사기간 중 미숙, 중숙, 성숙, 완숙기의 개체들이 혼재하여 출현하됐으며 생식소의 숙도가 방정이 가능한 성숙단계이상의 개체는 전 기간에 걸쳐 관찰되었고 완숙기의 개체는 암컷과 같이 11월에 출현비율이 가장 높았다. 창꼴뚜기가 산란에 참여하는 군성숙외투장을 알아본 결과 성숙외투장은 17.1cm 로 추정되었다.
Samplings have been monthly collected in Jeju Island, Korea, using ser nets. A total of 759 individuals were sampled from June to November 2006. We analyzed mantle length distrbution, monthly changes in maturity stages, maturation size and sex ratio. Mean Mantle length of the female specimens ranged from 6.7 to 50.3 cm and that of the male specimens ranged from 6.7 and 50.0 cm. The spawning period was November. The Mantle length at 50 % group maturity was estimated to be 17.1 cm. Sex ratio was 1 : 1.3 (male : female), suggesting the female population may be predominant.
Boyle, P.R., Rodhouse, P.G., (2005) Cephalopods: Ecology and Fisheries. Blackwell, Oxford.
Brierley, A.S., Allcock, A.L., Thorpe, J. P., Clarke, M. R. (1996) Biochemical genetic evidence supporting the taxonomic separation of Loligo edulis and Loligo chinensis (Cephalopoda: Teuthoidea) from the genus Loligo. Marine Biology, 127: 97-104
Chyn, S.S., Lee, K.T., Liao, C.H., (1998) Aggregative behavior of the swordtip squid (Loligo edulis) under fishing lights in the coastal waters of northern Taiwan. Journal of Fishery Society Taiwan, 25: 1-15.
Coelho, M.L., Qumtela, J., Bettencourt, V., Olavo, G.,Villa, H., (1994) Population structure, maturation patterns and fecundity of the squid Loligo vulgaris from southern Portugal. Fishery Research, 21: 87-102.
Guerra, A., (1994) The life history of Loligo vulgaris and Loligo forbesi (Cephalopoda: Loliginidae) in Galician waters (NW Spain). Fishery Research, 21: 43-69.
Kim. Y.H., (1993) Population analysis of the common squid, Todarodes pacificus Steenstrup in the Korean water. Department of Marine Biology, Graduate school, Pusan National Fishery University.
Kim. Y.H., Kang. H.J., Lee. E.H., Lee. D.W., Chang. D.S., Gwak. W.S., (2008) Reproductive Biology of common octopus, Octopus vulgaris in the South sea of korea. The Korean Journal of Malacology, 24 (3) : 161-166.
Melo, Y.C., Sauer,W.H.H., (1999) Confirmation of serial spawning in the chokka squid Loligo vulgaris reynaudii off the coast of South Africa. Marine Biology, 135: 307-313.
Moreno, A., Cunha, M.M., Pereira, J.M.F., (1994) Population biology of veined squid (Loligo forbesi) and European squid (Loligo vulgaris) from the Portuguese coast. Fishery Research, 21: 87-102.
Natsukari, Y., Nakanose, T., and Oda, K. (1998) Age and growth of loliginid squid Photololigo edulis (Hoyle,1885). Journal of Experimental Marine Biology and Ecology, 116: 177-190.
Okutani, t., Tagawa M. and Horikawa, H. (1987) Cephalopods from Continental Shelf and Slope around Japan: the Intensive Research of Unexploited Fishery Resources on Continental Slopes. pp. 98-99. Japan Fishery Resource Conservation Association. Tokyo.
Perez, J.A.A., Cordella de Aguiar, D., Oliveira, U.C., (2002) Biology and population dynamics of the long-finned squid Loligo plei (Cephalopoda: Loliginidae) in southern Brazilian waters. Fishery Research, 58: 267-279.
Roper, C.F.E. amd Sweeney, M.J. (1984) FAO Species Catalogue Vol. 3 Cephalopods of The world. pp. 88-89.
Šifner, S.K., Vrgoč, N., (2004) Population structure, maturation and reproductionof the European squid, Loligo vulgaris, in the central Adriatic Sea. Fishery Research, 69: 239-49.
Tafur, R., Villegas, P., Rabi, M., Yamashiro, C., 2001. Dynamics of maturation, seasonality of reproduction and spawning grounds of the jumbo squid Dosidicus gigas (Cephalopoda: Ommastrephidae) in Peruvian waters. Fishery Research, 54: 33–50.
Wang, K.Y., Liao, C.H., Lee, K.T. (2008) Population and maturation dynamics of the swordtip squid (Photololigo edulis) in the southern East China Sea. Fisheries Research 90: 178-186.