Dark-spotted frog

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An illustration based on the real animal.
A little discovery to share.
The dark-spotted frog has a white belly with no markings.
THE REAL WORLD
The real Dark-spotted frog
- Scientific name
- Pelophylax nigromaculatus
- Japanese name
- トノサマガエル
- Group
- Amphibians and reptiles
- Class
- Amphibia
- Order
- Anura
- Family
- Ranidae
- Genus
- Pelophylax
A frog of Honshu, Shikoku, Kyushu and mainland China. It lives in lowlands and hills and breeds in rice paddies and shallow ponds.
A pale stripe runs down the middle of its back. Males are yellowish brown, and females are bigger than males and whitish.
In the breeding season, males gather in the shallow water of rice paddies and marshes and call noisily from sunset until morning.
How the Dark-spotted frog lives
They breed from spring into early summer.
京都府レッドデータブック2015Basic data
- Size
- Body length: males 38–81 mm, females 63–94 mm国土交通省 大隅河川国道事務所
- Range
- Honshu, Shikoku, Kyushu and mainland China京都府レッドデータブック2015
- Conservation status in Japan
- Near Threatened (NT)Ministry of the Environment of Japan, 5th Red List (2026)
Where the Dark-spotted frog has been recorded

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
- 日本語
- トノサマガエル
- 简体中文
- 黑斑侧褶蛙
- 繁體中文
- 黑斑側褶蛙
- 한국어
- 참개구리
- Português (Brasil)
- Rã-de-pintas-pretas
- Italiano
- Rana a macchie nere
- العربية
- ضفدع داكن النقط
- Русский
- Чернопятнистая лягушка
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 京都府レッドデータブック2015 — トノサマガエルChecked: 2026-11-03
- 国土交通省 大隅河川国道事務所 — 肝属川の両生類Checked: 2026-11-03
- Ministry of the Environment of Japan, 5th Red List (2026)Checked: 2026-11-07
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
The conservation status in Japan is the category in the Red Lists of the Ministry of the Environment of Japan, which assess the risk of extinction for wild animals in Japan.
This page was translated from the original Japanese with the help of AI.
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