Fish fauna in the northeastern parts of Lutzow-Holm Bay with some notes on the stomach contents
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概要
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The investigation on the fish fauna was performed in the northeastern parts of the Lutzow-Holm Bay in 1980 by trap gear and angling in winter season of May to September and summer season of December respectively. Total 35 stations were set in selected depth range such as 20-100m of littoral zone, 100-200m of continental shelf or sublittoral zone, and 200-840m of glacial trough zone to study vertical distribution. The stomach contents of 75 specimens were also preliminarily investigated. The dominant fish species was Trematomus bernacchii in littoral zone, however, T. hansoni took dominant place in continental shelf or sublittoral zone. In the deeper glacial trough zone, T. scotti, T. loenbergii and Austrolycichythys brachycephalus appeared. The some Amphipoda, Euphausiacea, fish eggs and Polychaeta appeared in high frequency (20-40%) in the stomach of these fishes, and they were revealed to be important prey of these fishes.
- 国立極地研究所の論文
著者
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Naito Yasuhiko
National Inst. Of Polar Res. Tokyo Jpn
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Iwami Tetsuo
Institute Of Biological Sciences The University Of Tsukuba
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Iwami Tetsuo
Institute od Biological Sciences, University of Tukuba
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