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Reproductive Cycle of the Korean loach, Kichulchoia multifasciata (Pisces: Cobitidae)  

Kim, Jae Goo (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
Park, Jong Young (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
Publication Information
Korean Journal of Ichthyology / v.25, no.4, 2013 , pp. 216-221 More about this Journal
Abstract
Histological study and gonadosomatic index (GSI) to investigate an exact reproductive cycle of Korean loach Kichulchoia multifasciata, were conducted throughout a year from December 2011 to December 2012. The stage of ovarian and testicular development was divided into four phases: a growing phase (November to March the following year), a spawning phase (April~May), a degeneration phase (May~June), a resting phase (June to November). The peak of the spawning period in male and female appears between April to May, having water temperature $12.7^{\circ}C$ and day length over 13 hours. These results were consistent well with a histological study.
Keywords
Kichulchoia multifasciata; reproductive cycle; spawning phase; histological study; GSI;
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Times Cited By KSCI : 2  (Citation Analysis)
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