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Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| Scroll through list of sites as necessary. | site | collection date | depth | substrate | salin | locality kind | comments | reference |
|---|---|---|---|---|---|---|---|---|
| A | Okushiri Island, Japan | 1974 or earlier | South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.) | Kawakatsu M (1974) 308 | ||||
| B | Nakano River, Aomori Prefecture, Japan | 1970 or earlier | freshwater | was found only in some stations in the Arakawa River system (the Jôgakura Valley) and Aseishi River system (the Nakano River). Altitude about 200-720 metres | Kawakatsu M, Teshirogi W, Fujiwara H (1970) 127-128 | |||
| C | Shakotan-misaki (Syakotan Peninsula), Japan | 1974 or earlier | Kawakatsu M (1974) 308 | |||||
| D | Tsugaru-hanto (Tsugaru Peninsula), Japan | 1969 or earlier | freshwater | Tsugaru Peninsula | Kawakatsu M (1969) 72 | |||
| E | Oshima-hanto (Watari Shima, Oshima Peninsula), Japan | 1974 or earlier | South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.) | Kawakatsu M (1974) 308 | ||||
| F | Jōgakura Yama, Japan | 1970 or earlier | freshwater | was found only in some stations in the Arakawa River system (the Jôgakura Valley) and Aseishi River system (the Nakano River). Altitude about 200-720 metres | Kawakatsu M, Teshirogi W, Fujiwara H (1970) 127-128 | |||
| G | Niseko, Japan | 1974 or earlier | Kawakatsu M (1974) 308 | |||||
| H | Lake Towada-ko, Japan | Sep, 1972; Jun 1973 | 0-622 m | fresh water | Kawakatsu M, Teshirogi W, Tokui T (1976) 478 | |||
| I | point to represent Natsudomari Peninsula and the western part of the Shimokita Peninsula, Aomori Prefecture, Japan | 1970 or earlier | freshwater | found at stations below the altitude of about 130 metros in both the Natsudomari Peninsula and the Shimokita Peninsula. | Kawakatsu M, Teshirogi W, Tsushima K (1970) 115 | |||
| J | Shikotsu-Toya National Park (Shikotsu-Doya), Japan | 1974 or earlier | Kawakatsu M (1974) 308 | |||||
| K | Rebun Island, Japan | 1974 or earlier | North Hokkaido including the Okhotsk seaboard district. Rebun Islands. | Kawakatsu M (1974) 309 | ||||
| L | Rishiri-to (Risiri Sima, Risirizima), Japan | 1974 or earlier | North Hokkaido including the Okhotsk seaboard district. Rishiri and Rebun Islands on the Sea of Japan. | Kawakatsu M (1974) 309 | ||||
| M | Teuri-to (Teuri, Teuresima), Japan | 1974 or earlier | Teure Island. | Kawakatsu M (1974) 308 | ||||
| N | Shikotsu-ko (Shikotsu Lake), Japan | 1974 or earlier | South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.) | Kawakatsu M (1974) 308 | ||||
| O | Yagishiri-to (Yangeshiri, Yangesirizima, Yangesiri Sima), Japan | 1974 or earlier | Yangishiri Island. | Kawakatsu M (1974) 308 | ||||
| P | Mashike-cho (Mashike-machi), Japan | 1974 or earlier | Kawakatsu M (1974) 308 | |||||
| Q | Yabari mountains (Yubari-sanchi), Japan | 1974 or earlier | Kawakatsu M (1974) 308 | |||||
| R | Hidaka, Japan | 1967-1970 | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. Common below altitudes of 900 m | Kawakatsu M, Shimamura M (1974) 87 from abstract | ||||
| S | Hidaka-sammyaku (Hidaka mountains, Hitaka), Japan | 1974 or earlier | South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.) | Kawakatsu M (1974) 308 | ||||
| T | Daisetsuzan National Park, Hokkaidō, Japan | 1968 | freshwater | Kawakatsu M, Iwaki S, Yamada T (1969) p. 94 | ||||
| U | Daisetsu-zan (Daisetsu mountains), Japan | 1974 or earlier | South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.) | Kawakatsu M (1974) 308 | ||||
| V | Sakhalin Island (Ostrov Sakhalin, Saghalien, Karafuto), Russia | 1969 or earlier | freshwater | Kawakatsu M (1969) 72 | ||||
| W | Erimo-misaki (Erimo Cape), Japan | 1974 or earlier | South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.) | Kawakatsu M (1974) 308 | ||||
| X | Akan National Park, Hokkaido, Japan | 1974 or earlier | East Hokkaido (the Akan National Park and the Shiretoko Peninsula). | Kawakatsu M (1974) 308 | ||||
| Y | Shiretoko-hanto (Shiretoko peninsula), Hokkaido, Japan | 1974 or earlier | East Hokkaido (the Akan National Park and the Shiretoko Peninsula). | Kawakatsu M (1974) 308 | ||||
| Z | Kunashir Island (southern most Kuril Island), Russia | 1969 or earlier | freshwater | South Kuril Islands. | Kawakatsu M (1969) 72 | |||