was a Japanese
zoologist
Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...
.
He was born in
Ishikawa Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu island. Ishikawa Prefecture has a population of 1,096,721 (1 January 2025) and has a geographic area of 4,186 Square kilometre, km2 (1,616 sq mi). Ishikawa Pr ...
.
Okada studied at the Imperial Fisheries Institute (now
Tokyo University of Marine Science and Technology
, abbreviated as , is a national university in Japan. The main campus (Shinagawa Campus) is located in Minato, Tokyo and another campus (Etchujima Campus) is in Kōtō, Tokyo.
History
The university was established in 2003 with a merger of ...
). He was a professor at Tokyo Higher Normal School (now
University of Tsukuba
is a List of national universities in Japan, national research university located in Tsukuba, Ibaraki Prefecture, Ibaraki, Japan.
The university has 28 college clusters and schools with around 16,500 students (as of 2014). The main Tsukuba ca ...
), and after
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
he taught at
Mie University from 1950, where he was dean of Fisheries.
After retirement he served as a professor at
Tokai University
is a private non-sectarian higher education institution located in Tokyo, Japan. It was founded by Dr. Shigeyoshi Matsumae.
It was accredited under Japan's old educational system in 1946 and under the new system in 1950. In 2008, Tokai Uni ...
.
As a zoologist, has contributed in the field of fish taxonomy, as well as reptiles and amphibians.
Okada's primary work in English was ''Fishes of Japan'', which published in 1955 by
Maruzen and subsequently issued in revised editions.
References
20th-century Japanese zoologists
Japanese mammalogists
1892 births
1976 deaths
People from Ishikawa Prefecture
Scientists from Ishikawa Prefecture
Academic staff of the University of Tsukuba
Academic staff of Tokai University
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