Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) EBRAHIM A,Do the ayu (Plecoglossus altivelis altivelis) bone in the river with an inlet or large estuary in its mouth perform a homing?,La mer,,,2006,44,,59-69,https://cir.nii.ac.jp/crid/1570572701027843456,