Ikimono KokuhoLiving Treasures of Japan
National Natural Monument
Insects

Ogasawara Water Strider

Neogerris boninensis

Photo: Tomioka Masafumi / CC BY-NC 4.0 / iNaturalist

The Ogasawara Water Strider is a water strider endemic to the Ogasawara Islands. It skates on the surface of streams and pools, catching insects that fall in. Introduced predators and environmental change have limited where it can be found. As an endemic aquatic insect of the islands, it is a Natural Monument.

Scientific name
Neogerris boninensis
Group
Insects
Prefectures
Tokyo
Japanese Red List (Ministry of the Environment)
Near ThreatenedMinistry of the Environment Red List 2020
日本語
オガサワラアメンボ
简体中文
小笠原水黾

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Natural Monuments related to the Ogasawara Water Strider

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Designated as a species without a fixed area. Markers show related prefectures.

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Frequently asked questions

Yes. The Ogasawara Water Strider is protected as a Natural Monument (1 national and 0 prefectural designations). Each designated site is listed under "Natural Monuments related to the Ogasawara Water Strider" on this page.

The Ogasawara Water Strider is designated as a species without a fixed area and lives in places such as Tokyo.

The Ogasawara Water Strider is listed as "Near Threatened" in the Ministry of the Environment Red List 2020 (listed as オガサワラアメンボ).

Animals related to the Ogasawara Water Strider

Animals in the same group or designated in the same area.

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