CORE Metadata, citation and similar papers at core.ac.uk Provided by Kyoto University Research Information Repository Oncorhynchus kawamurae “Kunimasu,” a deepwater trout, Title discovered in Lake Saiko, 70�years after extinction in the original habitat, Lake Tazawa, Japan Nakabo, Tetsuji; Nakayama, Kouji; Muto, Nozomu; Miyazawa, Author(s) Masayuki Citation Ichthyological Research (2011), 58(2): 180-183 Issue Date 2011 URL http://hdl.handle.net/2433/138094 Right The final publication is available at www.springerlink.com Type Journal Article Textversion author Kyoto University Oncorhynchus kawamurae “Kunimasu”, a deepwater trout, discovered in Lake Saiko, 70 years after extinction in original habitat, Lake Tazawa, Japan Tetsuji Nakabo · Kouji Nakayama · Nozomu Muto · Masayuki Miyazawa T. Nakabo ( ) The Kyoto University Museum, Kyoto University, Kyoto 606-8501, Japan e-mail:
[email protected] K. Nakayama Field Science Education and Research Center, Kyoto University, Kyoto 606-8502, Japan N. Muto Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan M. Miyazawa Office of Liaison and Cooperative Research, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minatoku, Tokyo 108-8477, Japan Corresponding author: Tetsuji Nakabo; The Kyoto University Museum, Kyoto University Kitashirakawa, Kyoto 606-8501, Japan; Facsimile: +81-75-753-3276; Telephone: +81-75-753-3279; e-mail:
[email protected] Running head: Discovery of O. kawamurae in Lake Saiko 1 Abstract Oncorhynchus kawamurae (Osteichthyes: Salmonidae) (common name “Kunimasu”), a species endemic to Lake Tazawa, Akita Prefecture, Japan, was believed to have become extinct since 1940. However, nine specimens were discovered in March and April 2010, in Lake Saiko, Yamanashi Prefecture, one of the lakes to which eyed eggs of the species were introduced in 1935.