About AKIYAMA Yoshihiro B.
About Tokyo Univ. Fisheries, Tokyo, JPN
About MARUYAMA Takashi
About Tokyo Univ. Fisheries, Tokyo, JPN
About Zoological Science
About Bivalvia
About Cyprinidae
About habitat environment
About habitat distribution
About fluvial sediment
About flow velocity
About population dynamics
About Symbiosis
About environmental conservation
About Tanakia tanago
About invertebrate
About Pronodularia japanensis
About Tanakia tanago
About Interaction between dissimilar organisms
About Population ecology
About Nature conservation
About カラスガイ
About 分布
About 生息
About 環境特性
About ミヤコタナゴ