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Evaluation from otolith Sr stable isotope ratios of possible juvenile growth areas of Japanese eels collected from the West Mariana Ridge spawning area

The widely distributed East Asian Japanese eel Anguilla japonica constitutes a single genetically homogeneous population with a single spawning area near the West Mariana Ridge. Otolith 87Sr/86Sr ratios of adults (categorized as “river“, “estuarine” or “sea” eels, according to their habitat use history determined from otolith Sr:Ca ratio analysis) collected from the spawning area...

Potential impact of ocean circulation on the declining Japanese eel catches

, Fujisawa, Kanagawa, 252-0880, JapanMichael J. Miller & Katsumi Tsukamoto AuthorsSearch for Yu-Lin K. Chang in:Nature Research journals • PubMed • Google Scholar Search for Yasumasa Miyazawa in:Nature ... Research journals • PubMed • Google Scholar Search for Michael J. Miller in:Nature Research journals • PubMed • Google Scholar Search for Katsumi Tsukamoto in:Nature Research journals • PubMed • Google

Migratory Restlessness and the Role of Androgen for Increasing Behavioral Drive in the Spawning Migration of the Japanese eel

University, 1866 Kameino, Fujisawa, Kanagawa, 252-0880 JapanKatsumi Tsukamoto AuthorsSearch for Ryusuke Sudo in:Nature Research journals • PubMed • Google ScholarSearch for Katsumi Tsukamoto in:Nature Research

Narrowed temperature adaptability in non-natal osmotic environments of two euryhaline wanderers, dace and black porgy: implications for seasonal habitat changes

Station, Field Science Education and Research Center, Kyoto University , Nagahama, Maizuru, Kyoto 625-0086 , Japan 2 Katsumi Tsukamoto 3 Masahiro Nakamura Many euryhaline wanderer species exhibit seasonal

Discovery of a spawning area of the common Japanese conger Conger myriaster along the Kyushu-Palau Ridge in the western North Pacific

The common Japanese conger Conger myriaster is an important commercial coastal fisheries species in East Asia, but its spawning area has not been determined. A larval sampling survey was conducted in September 2008 along 136°E between 13°N and 22°N, which roughly followed the Kyushu-Palau Ridge in the western North Pacific. Twenty larval specimens were confirmed to be C...