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2000•Korean Journal of Fisheries and Aquatic SciencesRequires access

Reproductive Cycle and Gonadal Development of the Naked-Headed Goby, Favonigobius gymnauchen (Teleostei : Gobiidae)

Lee Jung Sick, Kim Jae Won, Ju‐Chan Kang, Shin Yun Kyung, Chin Pyung

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Abstract

Reproductive biology of the naked-headed goby, Faronigobius gymnauchen was investigated by means of histological methods. The ovary was consisted of several ovarian lamellae and the oogonia originated from the inner surface of the ovarian lamella. The testis was seminiferous tubule One in internal structure. Seminiferous tubule was consisted of many testicular cysts which contained numerous germ cells in a same developmental stage. The size of group maturity was 4.5 cm intotal length. Gonadosomatic index(GSI) of the female and male was the highest in June and July, respectively. Reproductive cycle could be classified into the growing (), maturation (), ripe and spent (), and recovery and resting (). Oocyte development was group-synchronous, and yolk nucleus was observed in the early growing oocyte.

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Reproductive biology of the naked-headed goby, Faronigobius gymnauchen was investigated by means of histological methods. The ovary was consisted of several ovarian lamellae and the oogonia originated from the inner surface of the ovarian lamella. The testis was seminiferous tubule One in internal structure. Seminiferous tubule was consisted of many testicular cysts which contained numerous germ cells in a same developmental stage. The size of group maturity was 4.5 cm intotal length. Gonadosomatic index(GSI) of the female and male was the highest in June and July, respectively. Reproductive cycle could be classified into the growing (), maturation (), ripe and spent (), and recovery and resting (). Oocyte development was group-synchronous, and yolk nucleus was observed in the early growing oocyte.

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Available abstract

Reproductive biology of the naked-headed goby, Faronigobius gymnauchen was investigated by means of histological methods. The ovary was consisted of several ovarian lamellae and the oogonia originated from the inner surface of the ovarian lamella. The testis was seminiferous tubule One in internal structure. Seminiferous tubule was consisted of many testicular cysts which contained numerous germ cells in a same developmental stage. The size of group maturity was 4.5 cm intotal length. Gonadosomatic index(GSI) of the female and male was the highest in June and July, respectively. Reproductive cycle could be classified into the growing (), maturation (), ripe and spent (), and recovery and resting (). Oocyte development was group-synchronous, and yolk nucleus was observed in the early growing oocyte.

Key concepts: Gonadosomatic Index, Reproductive biology, Biology, Development of the gonads, Ovary, Goby, Oocyte, Seminiferous tubule

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Reproductive Cycle and Gonadal Development of the Naked-Headed Goby, Favonigobius gymnauchen (Teleostei : Gobiidae) — Research Paper | ScholarLens