• Animal Systematics, Evolution and Diversity
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• v.25 no.2
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• pp.145-158
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• 2009

Four species of the genus Atylus belonging to the family Dexaminidae are reported from the eastern and southern coasts of Korea. Three of these species are redescribed as new records of this country: Atylus (Atylus) ekmani (Gurjanova), A. (A.) matsukawaensis Hirayama and Takeuchi and A. (Kamehatylus) japonicus Nagata.

• Animal Systematics, Evolution and Diversity
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• no.nspc3
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• pp.101-112
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• 1992

Three species of gammaridean amphipod, Atylus collingi(Gurjanova), Cerapus longirostris Shen, and Pereionotus holmesi(Gurjanova) are described from coastal regins of Korea All three species are newly reported from Korean waters.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.37 no.2
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• pp.122-128
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• 2004

On the basis of monthly samples, we investigated the seasonal variation and feeding habits of amphipods inhabiting Zostera marina beds in Gwangyang Bay. Dominant species $(>1\%$ of the total number of amphipods) consist of 5 gammarids (Gammaropsis japonicus, Jassa slatteryi, Pontogenia rostrata, Atylus collingi and Ceinina japonica) and 1 caprellid (Caprella tsugarensis). Mean densities of amphipods varied from the highest of $63,148\;ind.\;m^{-2}$ in-May to the lowest of $1,247\;ind.\;m^{-2}$ in September. G. japonicus and J. slatteryi dominated in summer whereas C. japonica in autumn and winter. C. japonica was found to be a carnivorous feeder consuming mainly harpacticoid copepods and unidentified crustaceans, whereas G. japonicus, J. slatteryi, and C. tsugarensis consumed both phytoplankton and detritus. Seasonal densities of amphipods were significantly related with the shoot standing crop of the eelgrass and its epiphyte. Also densities of amphipods displayed significant difference in related with the shoot density of the eelgrass among sampling stations. These results suggest that the biological interactions between the eelgrass and amphipods as well as between the carnivorous and the herbivorous amphipods may be important in the seasonal variation of amphipods inhabiting Z. marine beds.