Discovery of mature freshwater eels in the open ocean Chow, Seinen ; Kurogi, Hiroaki ; Mochioka, Noritaka ; Kaji, Shunji ; Okazaki, Makoto ; Tsukamoto, Katsumi Abstract Publication: Fisheries Science Pub Date: February 2009 DOI: 10.1007/s12562-008-0017-5 Bibcode: 2009FisSc..75..257C