Abstract / Introduction / Summary:
Distribution of freshwater carideans in Koshikishima Islands, Kagoshima Prefecture, southern Japan was investigated in 2022. Five species of atyid shrimps (Caridina grandirostris, C. leucosticta, C. multidentata, C. serratirostris species complex and C. typus) and four species of palaemonid prawns (Macrobrachium australe, M. formosense, M. japonicum and M. lar) were collected. Four species of C. typus, M. japonicum, M. formosense and C. serratirostris species complex were distributed over the whole Koshikishima Islands, and three species of C. grandirostris, M. australe and M. lar were the first records in Koshikishima Islands.