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The ichthyofauna and fish community structure were investigated at five stations in Yeongok stream, Gangneung, during April and December 2005 monthly. During the surveyed period twenty nine species belonging to ten families were collected. Dominant species in number was Zacco platypus (relative abun...

The ichthyofauna and fish community structure were investigated at five stations in Yeongok stream, Gangneung, during April and December 2005 monthly. During the surveyed period twenty nine species belonging to ten families were collected. Dominant species in number was Zacco platypus (relative abundance : 29.0%) and subdominant was Rhynchocypris steindachneri (12.1%). There were six Korean endemic species including Rhynchocypris kumgangensis. Koreocobitis rotundicaudata and Luciogobius guttatus that were not reported in near streams were collected in Yeongok stream only. Ladislabia taczanowskii was considered as a geographically important species. There were stabilized fish community structure with species diversity index of the community 2.521 in Yeongok stream ichthyofauna.

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