About DOI TOSHIO
About 爬虫両棲類学会報
About Pelophylax nigromaculatus
About Ranidae
About egg-laying
About irrigation canal
About paddy field
About habitat segregation
About reproductive behavior
About hybridization
About Pelophylax porosus brevipodus
About Autecology
About 手
About 水田
About 水路
About ナゴヤダルマガエル
About トノサマガエル
About 産卵