Lesser ricefield rat
Rattus losea (Swinhoe, 1871)
The lesser ricefield rat (Rattus losea) is a species in the family Muridae, order Rodentia. Recorded adults weigh 77 g to 104.6 g. Its IUCN Red List status is Least Concern.
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Quick facts about the lesser ricefield rat
- Weight
- 77 g – 104.6 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- forest, shrublandsrc for Habitat
- Young per litter or clutch
- Not recorded
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Terrestrialsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the lesser ricefield rat live?
Not recorded
What is the lesser ricefield rat?
The lesser ricefield rat (Rattus losea) is a species of rodent in the family Muridae. It was first described by Robert Swinhoe in 1871 and is found in China, Laos, Taiwan, Thailand, and Vietnam.
From the Wikipedia article “Lesser ricefield rat” (en.wikipedia.org/w/index.php?title=Lesser_ricefield_rat&oldid=1314571403), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the lesser ricefield rat endangered?
The lesser ricefield rat is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.
How is the lesser ricefield rat classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderRodentia
- familyMuridae
- genusRattus
- SpeciesRattus losea (Swinhoe, 1871)
Synonyms Mus losea, Rattus rattoides celsus, Rattus rattoides exiguous, Rattus rattoides losea, Rattus rattus exiguus, Rattus rattus losea, Rattus sakeratensis
Other names and names in other languages (10)
- Lesser rice-field ratEnglish
- Lesser rice-field ratEnglish
- Losea ratEnglish
- Losea ratEnglish
- pikkuriisirottaFinnish
- コキバラネズミJapanese
- szczur tajwańskiPolish
- Малая рисовая крысаRussian
- หนูนาเล็กThai
- 小黃腹鼠Chinese
Relatives of the lesser ricefield rat
Other species in the same genus Rattus.

Brown rat
Rattus norvegicus

Black rat
Rattus rattus

Polynesian rat
Rattus exulans

Ricefield rat
Rattus argentiventer

Summit rat
Rattus baluensis

Bush rat
Rattus fuscipes
CompareLesser ricefield rat vs Brown ratLesser ricefield rat vs Black ratLesser ricefield rat vs Polynesian ratLesser ricefield rat vs Ricefield rat
Common questions
Answered only where our data holds the answer.
How big is the lesser ricefield rat?
An adult lesser ricefield rat weighs 77 g – 104.6 g, according to values recorded on Wikidata.
Is the lesser ricefield rat endangered?
The lesser ricefield rat is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
What kind of animal is the lesser ricefield rat?
The lesser ricefield rat (Rattus losea) belongs to the family Muridae in the order Rodentia.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
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CreatureData. (2026). Lesser ricefield rat (Rattus losea). Retrieved from https://creaturedata.com/animals/lesser-ricefield-rat
“Lesser ricefield rat (Rattus losea).” CreatureData, 2026, https://creaturedata.com/animals/lesser-ricefield-rat.
@misc{lesser_ricefield_rat_2026,
title = {Lesser ricefield rat (Rattus losea)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/lesser-ricefield-rat},
note = {Data as of 2026-11-11}
}