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http://dx.doi.org/10.3796/KSFT.2011.47.3.194

Reproduction of the Shotted halibut in the southern Korean waters  

Cha, Hyung-Kee (Fisheries Resources and Environment Division, Southwest sea Fisheries Research Institute, NFRDI)
Kang, Su-Kyung (Fisheries Resources Management Division, NFRDI)
Choi, Jung-Hwa (Fisheries Resources Management Division, NFRDI)
Oh, Taeg-Yun (Fisheries Resources Management Division, NFRDI)
Seo, Young-Il (Fisheries Resources and Environment Division, Southwest sea Fisheries Research Institute, NFRDI)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.47, no.3, 2011 , pp. 194-202 More about this Journal
Abstract
Maturation and spawning of the Shotted halibut, Eopsetta grigorjewi was investigated based on the samples captured in South Korean waters from January 2008 to December 2009. Gonadosomatic index began to increase in December, and reached maximum between January to March. After spawning it began to decrease from May. Reproductive season was estimated to January-April, with peak in February. Fecundity was proportional to the size of the female, with the clutch size varying from 170,000 eggs in the smallest female (total length, 28.9cm) to 1,300,000 eggs in the largest (total length, 41.5cm). Size at 50% sexual maturity (TL50), determined from mature females, was 28.8cm. Annual reproductive cycles of this species could be divided into six successive stages; immature stage (May-October), nucleolus stage (November-January), yolk vesicle stage (January-February), vitellogenic and ripe stage (January-April) and spent stage (April-May).
Keywords
Maturation; Spawning; Annual reproductive cycle; Shotted halibut; Southern Korean waters;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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