About KAJI YOSHITSUGU
About 和歌山県自然博物館
About NAKATA MINORU
About Wakayama prefecture
About Anguilliformes
About habitat environment
About habitat distribution
About habitat
About river environment
About Anguilla marmorata
About Animal ecology in general
About 和歌山
About 水系
About オオウナギ
About Anguilla