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Length and Weight Relationship for Two Dominant Antarctic Notothenioid Fishes Caught in the Coastal Water off King Sejong Station, King George Island, Antarctica  

Park, Hyun (Unit of Polar Genomics, Korea Polar Research Institute)
Kim, Il-Chan (Department of Life Sciences, Korea Polar Research Institute)
Kang, Seunghyun (Unit of Polar Genomics, Korea Polar Research Institute)
Kim, Bo-Mi (Unit of Polar Genomics, Korea Polar Research Institute)
Han, Dong-Won (King Sejong station, Korea Polar Research Institute)
Kim, Jin-Hyoung (Unit of Polar Genomics, Korea Polar Research Institute)
Publication Information
Korean Journal of Ichthyology / v.29, no.2, 2017 , pp. 146-150 More about this Journal
Abstract
Length and weight relationship (LWR) for dominant Antarctic fishes was determined in two species of the family Nototheniidae; black rockcod (Notothenia coriiceps) and marbled rockcod (Notothenia rossii). Samples were caught in the offshore sea around King Sejong station located on King George Island, Antarctica in January, 2017. A total of 30 N. coriiceps and 7 N. rossii were caught by fishing rod and hook. Average total length was 266.0 mm for N. coriiceps and 275.4 mm for N. rossii. Average total weight was 283.1g for N. coriiceps and 290 g for N. rossii. In terms of LWR and b value, the results showed that both two species had positive allometries (b>3) in good health. This size information of two dominant Antarctic fishes would be useful for future physiological studies to understand of adaptation mechanism and biological pathway of Antarctic marine organisms.
Keywords
Length and weight relationship; Antarctic notothenioid; condition factor;
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