After graduating from Tokyo University (1907), Agata studied to become a specialist in biology and heredity. He proceeded for further studies to John Hopkins University, America (1926).
Upon return he was appointed professor at Fishery University (1928). He was a professor at Miyazaki University and recognized as an authority on marine life. He was Doctor of Science. Among his works are "Biometrics," "Biology and Generation of Ise Crawfish." His scientific theses included "Soul of Science," "Laboratory of the Sea," "Little Scientist of Fishery" and "The Emperor Biologist."