Research keywords (4)：
Freshwater fish
, Conservation genetics
, Population genetics
, Fish genetics and breeding science
Research theme for competitive and other funds (5)：
2004 - 2005 Does Ayu have laterality?
1999 - 2001 Linkage maps constructed with microsatellite markers for fish genetic improvement
1999 - 2000 A new technique AFLP for making genetic map of ayu
1995 - 1997 Studies on genetic variability of hatchery and wild populations of fishes by DNA markers
1992 - 1994 Studies on application of DNA finger-printing to estimation of genetic and environmental variances of some quatitative tarits in ayu, Plecoglossus altivelis
Papers (59)：
Yukio Iwatsuki, Shingo Seki, Eiji Hosoi, Naomasa Kawashima, Shigehiro Kan, Ryou Akinari, Ryoutaro Okada, Masahito Yatsutsuka, Hiroshi Nobusaki, Syoji Toyoda. Probable native and introduced populations of white-spotted charr, Salvelinus leucomaenis, form Shikoku District, Japan by hearing survey and intensive local sampling. 2021. 8. 47-56
Yukio Iwatsuki, Shingo Seki, Toshio Tanizeki, Yaeko Okuno, Naomasa Kawashima, Kentarou Hirashima. Introduced populations of Kirikuchi charr, Salvelinus leucomaenis in the Hidaka River and others, Wakayama Prefecture for resurrection initiatives of extinction using the native Nara Kirikuchi charr and other stocks by the Freshwater Fish Protection Association (1980-1988) and another disclosed activities (1989-1995) with their strong desire. Nature of Kagoshima. 2021. 47. 355-371
Y. Iwatsuki, H. Tanaka, Y.Ineno, S.Seki, N.Kawasaki. Biological characteristics of the six genetic group of complete cytochrome b genes (1141 bp) on four subspecies of the Oncorhynchus masou complex and biogeographical genetic strains from northwestern Pacific by Japanese explanation with notes (Iwatsuki et al., 2019). Nature of Kagoshima. 2020. 47. 5-16
Y. Iwatsuki, S. Seki, A. Yamamoto, T. Morizawa, T. Ineno, Y, Saitou, K. Hirashima. Probable native and introduced populations of charr, Salvelinus leucomaenis, from Wakayama Prefecture by hearing survey and local samplings with notes of dorsolateral white-spotted condition of Kirikuchi charr. Nature of Kagoshima. 2020. 46. 467-480
SS Siraj, S Seki, Y Yamada, KJ Ang, N Taniguchi. Induction of gynogenesis in lampam jawa Puntius gonionotus by means of ultraviolet irradiation. THIRD ASIAN FISHERIES FORUM. 1994. 531-535
Menezes Maria R., 谷口 順彦, 関 伸吾. ニベ科魚類3種の種内集団間の遺伝的分化と変異性〔英文〕. 魚類学雑誌. 1990. 37. 1. p39-48
Books (1)：
Evaluation and Expression of Phenotypes in Aquatic Organisms for Genetics and Breeding
1998 ISBN:4769908776
Lectures and oral presentations (2)：
Genetic population structure of dark chub Nipponocypris temminckii in Tokai and Hokuriku distincts, based on mitochondorial DNA sequence
(the 43rd Annual Meeting, 2010, the Ichtyological Society of Japan 2010)
Genetic population structure of the dark chub Nipponocypris temminckii, based on mitochondrial DNA sequence
(the 42nd Annual Meeting, 2009, The Ichthyological Society of Japan 2009)
Education (3)：
1985 - 1988 愛媛大学大学院 連合農学研究科 生物資源生産学専攻
1982 - 1984 高知大学大学院 農学研究科 栽培漁業学専攻
1978 - 1982 Kochi University Faculty of Agriculture Department of Aquaculture
Professional career (1)：
Dr. of Agriculture (Ehime Univ.)
Work history (1)：
1989/05 - 現在 Kochi University Faculty of Agriculture and Marine Science Department of Marine Resource Science
