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Reproductive cycle of the goldeye rockfish Sebastes thompsoni

Lee, J.S.; An, C.M.; Huh, S.H.

Journal of the Korean Fisheries Society 31(1): 8-16

1998

Accession: 033196890
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Sexual maturation and reproductive cycle of the goldeye rockfish, Sebastes thompsoni were investigated under photomicroscopy. Samples were collected monthly in the coastal water of Samcheonpo (34degree55'N), Korea from November 1995 to October 1996. The ovary consists of several ovarian lamellae originated from ovarian outer membrane. Oogonia which are originated from the inner surface of the ovarian lamella protrude to the ovarian cavity in oocyte stage, and they are suspended by the egg stalk. The testis is seminiferous tubule type in internal structure. Seminiferous tubule consists of many testicular cysts which contain numerous germ cells in same developmental stage. Biological minimum size of female and male were 19.5 cm and 21.5 cm in total length, respectively. Gonadosomatic index (GSI) of female was the highest (9.56) in March and the lowest (0.15) in August. GSI of male was the highest (0.25) in February and the lowest (0.04) in July. Reproductive cycle was classified into the following successive stages: in female, growing (October and November), maturation (December-February), gestation (March), parturition and recovery (April-June) and resting (July-September), and in male, growing (September-November), maturation (December and January), ripe and copulation (February and March) and degeneration and resting (April-August).

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Related References

Lee, J.S.; Oh, Y.K.; Huh, S.H. 1997: Fine structural observations on spermatogenesis of the goldeye rockfish, Sebastes thompsoni Journal of the Korean Fisheries Society 30(6): 1005-1012
Yu, H.J.; Kim, J.-K. 2018: Upwelling and eddies affect connectivity among local populations of the goldeye rockfish, Sebastes thompsoni (Pisces, Scorpaenoidei) Ecology and Evolution 8(9): 4387-4402
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Ikehara, K.; Nagahara, M.; Yamada, Y.; Naiki, K. 1980: Establishing rockfish culture techniques 5. feeding experiments on young rockfish sebastes thompsoni and sebastes schlegeli during the summer season Bulletin of the Japan Sea National Fisheries Research Institute 31: 57-64
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Nagahara, M.; Ikehara, K.; Furukawa, A. 1975: Fundamental studies for establishing rockfish culture techniques part 1 on the protein digesting ability of a young rockfish sebastes thompsoni Bulletin of the Japan Sea National Fisheries Research Institute 26: 27-34
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Ikehara, K.; Nagahara, M.; Furukawa, A. 1976: Fundamental studies for establishing rockfish culture techniques part 2 the duration of food passing through the digestive tract in a young rockfish sebastes thompsoni Bulletin of the Japan Sea National Fisheries Research Institute 27: 35-40
Ikehara, K.; Nagahara, M.; Furukawa, A. 1976: Fundamental studies for establishing rockfish culture techniques. 2. The duration of passing through the digestive tract of food in a young rockfish, Sebastes thompsoni (Jordan et Hubbs) Bulletin Japan Sea reg Fish Res Lab 27: 35-40
Ikehara, K.; Nagahara, M. 1978: Fundamental studies for establishing rockfish culture techniques part 4 on the favorable contents of protein and lipid in compound food for a young rockfish sebastes thompsoni Bulletin of the Japan Sea National Fisheries Research Institute 29: 103-110
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Sekino, M.; Takagi, N.; Hara, M.; Takahashi, H. 2000: Microsatellites in rockfish Sebastes thompsoni (Scorpaenidae) Molecular Ecology 9(5): 634-636