Brown mouse lemur
Microcebus rufus (Lesson, 1840)
The brown mouse lemur (Microcebus rufus) is a species in the family Cheirogaleidae, order Primates. Recorded adults weigh 42.5 g to 66.9 g and live up to 15.5 years. Its IUCN Red List status is Vulnerable.

Quick facts about the brown mouse lemur
- Weight
- 42.5 g – 66.9 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 15.5 yearssrc for Lifespan
- Diet
- Herbivoresrc for Diet
- Longest recorded lifespan
- 18.2 years
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 60.3 dayssrc for Gestation
- Young per litter or clutch
- 2.41src for Young per litter or clutch
- Age at maturity
- 7.98 months – 9.83 monthssrc for Age at maturity
- Litters or clutches a year
- 1src for Litters or clutches a year
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Arborealsrc for Lifestyle
- Conservation status
- Vulnerable (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the brown mouse lemur live?
Not recorded
What is the brown mouse lemur?
The brown mouse lemur (Microcebus rufus) is a small primate, and like the other mouse lemurs can only be found on the island of Madagascar. They are known also as the rufous mouse lemur, eastern rufous mouse lemur, red mouse lemur, or russet mouse lemur. Its dorsal side is brown or reddish-brown, while ventrally it is a whitish-grey.
The mouse lemurs are among the shortest-lived of primates. The brown mouse lemur has a lifespan of 6–8 years in the wild, although it averages 12 years under human care.
It can be found in rainforests in eastern Madagascar. It is a solitary and nocturnal creature.
From the Wikipedia article “Brown mouse lemur” (en.wikipedia.org/w/index.php?title=Brown_mouse_lemur&oldid=1379736119), 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 brown mouse lemur endangered?
The brown mouse lemur is listed as Vulnerable on the IUCN Red List: it faces a high risk of extinction in the wild.
- 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 Vulnerable species.
How is the brown mouse lemur classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderPrimates
- familyCheirogaleidae
- genusMicrocebus
- SpeciesMicrocebus rufus (Lesson, 1840)
Synonyms Chirogaleus smithii, Gliscebus rufus
Other names and names in other languages (33)
- Brown mouse-lemurEnglish
- Brown mouse-lemurEnglish
- Eastern rufous mouse lemurEnglish
- Eastern rufous mouse lemurEnglish
- Rufous mouse lemurEnglish
- Rufous mouse lemurEnglish
- Rufous mouse lemurEnglish
- Rufous mouse-lemurEnglish
- Rufous mouse-lemurEnglish
- Russet mouse lemurEnglish
- Russet mouse-lemurEnglish
- Russet mouse-lemurEnglish
- ليمور فأري بنيArabic
- maki červenýCzech
- Brauner MausmakiGerman
- Καφέ ΠοντικολεμούριοςGreek
- Maki RatSpanish
- Lémur ratón marrónSpanish
- Lémur Ratón RufoSpanish
- pikkuhiirimakiFinnish
- RuskohiirimakiFinnish
- Microcèbe rouxFrench
- Vörös egérmakiHungarian
- Microcebo rossoItalian
- Lemure nano rossoItalian
- Lemure pigmeo rossoItalian
- アカネズミキツネザルJapanese
- Rytinis pelinis lemūrasLithuanian
- Brun MuselemurNorwegian Bokmål
- Rode MuismakiDutch
- Rode MuislemurDutch
- mikrusek rdzawyPolish
- Коричневый мышиный лемурRussian
Relatives of the brown mouse lemur
Other species in the same genus Microcebus.

Gray mouse lemur
Microcebus murinus

Madame Berthe's mouse lemur
Microcebus berthae

Pygmy mouse lemur
Microcebus myoxinus
Gerp's mouse lemur
Microcebus gerpi

Reddish-gray mouse lemur
Microcebus griseorufus
Goodman's mouse lemur
Microcebus lehilahytsara
CompareBrown mouse lemur vs Gray mouse lemurBrown mouse lemur vs Madame Berthe's mouse lemurBrown mouse lemur vs Pygmy mouse lemurBrown mouse lemur vs Gerp's mouse lemur
Common questions
Answered only where our data holds the answer.
How big is the brown mouse lemur?
An adult brown mouse lemur weighs 42.5 g – 66.9 g, according to values recorded on Wikidata.
Is the brown mouse lemur endangered?
The brown mouse lemur is listed as Vulnerable on the IUCN Red List, meaning it faces a high risk of extinction in the wild.
How long does the brown mouse lemur live?
The brown mouse lemur has a recorded lifespan of 15.5 years.
How long is the brown mouse lemur pregnant?
The recorded gestation period is 60.3 days.
What kind of animal is the brown mouse lemur?
The brown mouse lemur (Microcebus rufus) belongs to the family Cheirogaleidae in the order Primates.
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 - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - 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).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Brown mouse lemur (Microcebus rufus). Retrieved from https://creaturedata.com/animals/brown-mouse-lemur
“Brown mouse lemur (Microcebus rufus).” CreatureData, 2026, https://creaturedata.com/animals/brown-mouse-lemur.
@misc{brown_mouse_lemur_2026,
title = {Brown mouse lemur (Microcebus rufus)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/brown-mouse-lemur},
note = {Data as of 2026-11-11}
}