宿主 Host

アユ Plecoglossus altivelis altivelis (Temminck and Schlegel, 1846) [1]．

寄生部位 Site of infection

鰭 fin [1]．

産地 localities

長野県 Nagano Pref. [1]，徳島県 Tokushima Pref. [1]，琵琶湖 L. Biwa（滋賀県 Shiga Pref.）[2]．

環境 Environment

淡水 freshwater．

文献 References

[1] Ogawa, K. and Egusa, S. (1978c). Seven specieosf Gyrodactylus (Monogenea: Gyrodactylidae) from Plecoglossus altivelis (Plecoglossidae), Cyprinus carpio (Cyprinidae) and Anguilla spp.(Anguillidae). Bulletin of the Japanese Society of Scientific Fisheries 44: 613–618.

[2] Timoshkin, O. A., Grygier, M.J., Wada, E., Nakai, K., Nishino, M., Genkal, S. I., Biserov, V. I., Gagarin, V. G., Semernoy, V. P., Jankowski, A. W., Stepanjants, S.D., Tsalolikhin, S. Ya., Starobogatov, Ya. I., Alexeev, V. R., Tuzovskij, P. V., Okuneva, G.L., Sheveleva, N. G., Pomazkova, G. I., Arov, I. V., Mazepova, G. F., Janz, H., Obolkina, L. A., Chernyshev, A. V., Morino, H., Matsuda, M., Ohtsuka, T., Kawakatsu, M., Maehata, M., Masuda, Y., Faubel, A. Yahiro, K., Hirasawa, R., Tuji, A., Kusuoka, Y., Kameda, K., Ishida, T., Itoh, T., Ichise, S., Wakabayashi, T., Okubo, U., Seki, Sh., Nagasawa, K., Ogawa, K., Masunaga, K., and Gamo, J. (2011). Biodiversity of Lake Biwa: New discoveries and future potential. Pp. 1439– 1513. In: Timoshkin, O. A. (ed.: Russian Academy of Science, Siberian Division, Limnological Institute), “Index of Animal Species Inhabiting Lake Baikal and Its Catchment Area” Vol. II. Appendix 3. Nauka, Novosibirsk, Russia.

備考 Note

長野県および徳島県からの記録は，琵琶湖産アユの移入に伴い侵入したものと考えられている [1].

Gyrodactylus tominagai recorded from Nagano and Tokushima prefectures were considered to be co-introduced with the host Plecoglossus altivelis altivelis from Lake Biwa, Shiga Prefecture [1].