Fig. 1. A in Distribution of Fish Parasites Argulus japonicus and Argulus coregoni (Crustacea: Branchiura: Argulidae) in the Lake Biwa Basin, Central Japan

Fig. 1. A map of Shiga Prefecture, central Japan, to show the distribution of Argulus japonicus (closed circles, in Lake Biwa; closed triangle, in Chirinsan-no-ike Pond) and A. coregoni (open circles) in the Lake Biwa Basin. Only large rivers are shown. Dashed lines indicate the borders of Shiga and neighboring prefectures. 1, Katayama; 2, Onoe; 3, near the mouth of the Uso River; 4, off Omi-maiko; 5, Wani-Imajuku; 6, Akanoi; 7, Shina; 8, Hiei-tsuji; 9, Chirinsan-no-ike Pond; 10, Otsu; 11, Harihata River; 12, lower Ado River; 13, Kawachidani Stream; 14, upper Ane River; 15, Oike River; 16, Kanzaki River. See Tables 1 and 2 for detailed information on the collection localities of A. japonicus and A. coregoni, respectively.