Fat-tailed dunnart
Sminthopsis crassicaudata (Gould, 1844)
The fat-tailed dunnart (Sminthopsis crassicaudata) is a species in the family Dasyuridae, order Dasyuromorphia. Recorded adults weigh 14.6 g to 16 g and live up to 2 years. Source checklists list it for 1 country: Australia. Its IUCN Red List status is Least Concern.

Quick facts about the fat-tailed dunnart
- Weight
- 14.6 g – 16 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 2 yearssrc for Lifespan
- Diet
- Invertivoresrc for Diet
- Longest recorded lifespan
- 5.08 years
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 15 dayssrc for Gestation
- Young per litter or clutch
- 7src for Young per litter or clutch
- Age at maturity
- 4 months – 5.22 monthssrc for Age at maturity
- Litters or clutches a year
- 2src for Litters or clutches a year
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Terrestrialsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- 1 countrysrc for Countries on record
Where does the fat-tailed dunnart live?
Countries where Catalogue of Life checklists list the species. Many checklists carry no country data, so the list is often incomplete. It is not a range map.
The fat-tailed dunnart is listed for 1 country.
- Listed
- Not listed
The same countries as a list
Why a country list is not a range map
Listed by: ITIS (scope: global), through the Catalogue of Life.
What is the fat-tailed dunnart?
The fat-tailed dunnart (Sminthopsis crassicaudata) is a species of mouse-like marsupial of the Dasyuridae, the family that includes the little red kaluta, quolls, and the Tasmanian devil.
From the Wikipedia article “Fat-tailed dunnart” (en.wikipedia.org/w/index.php?title=Fat-tailed_dunnart&oldid=1372249062), 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 fat-tailed dunnart endangered?
The fat-tailed dunnart 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 fat-tailed dunnart classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderDasyuromorphia
- familyDasyuridae
- genusSminthopsis
- SpeciesSminthopsis crassicaudata (Gould, 1844)
Synonyms Phascogale crassicaudata
Other names and names in other languages (12)
- دنارت سمين الذيلArabic
- Tykhalet pungspidsmusDanish
- Dickschwänzige SchmalfußbeutelmausGerman
- Ratón Marsupial de Cola GruesaSpanish
- rasvahäntäpussikkoFinnish
- Souris MarsupialeFrench
- Souris Marsupiale À Grosse QueueFrench
- オブトスミントプシスJapanese
- FetthaledunnartNorwegian Bokmål
- DikstaartsmalvoetbuidelmuisDutch
- grubogonik australijskiPolish
- Жирнохвостая сумчатая мышьRussian
Relatives of the fat-tailed dunnart
Other species in the same genus Sminthopsis.

Kangaroo island dunnart
Sminthopsis aitkeni

Stripe-faced dunnart
Sminthopsis macroura

Long-tailed dunnart
Sminthopsis longicaudata

Sandhill dunnart
Sminthopsis psammophila
Chestnut dunnart
Sminthopsis archeri
Julia Creek dunnart
Sminthopsis douglasi
CompareFat-tailed dunnart vs Kangaroo island dunnartFat-tailed dunnart vs Stripe-faced dunnartFat-tailed dunnart vs Long-tailed dunnartFat-tailed dunnart vs Sandhill dunnart
Common questions
Answered only where our data holds the answer.
How big is the fat-tailed dunnart?
An adult fat-tailed dunnart weighs 14.6 g – 16 g, according to values recorded on Wikidata.
Where does the fat-tailed dunnart live?
Catalogue of Life checklists list the fat-tailed dunnart for 1 country: Australia. Checklist coverage is uneven, so the true range may be wider.
Is the fat-tailed dunnart endangered?
The fat-tailed dunnart is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the fat-tailed dunnart live?
The fat-tailed dunnart has a recorded lifespan of 2 years.
How long is the fat-tailed dunnart pregnant?
The recorded gestation period is 15 days.
What kind of animal is the fat-tailed dunnart?
The fat-tailed dunnart (Sminthopsis crassicaudata) belongs to the family Dasyuridae in the order Dasyuromorphia.
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). Fat-tailed dunnart (Sminthopsis crassicaudata). Retrieved from https://creaturedata.com/animals/fat-tailed-dunnart
“Fat-tailed dunnart (Sminthopsis crassicaudata).” CreatureData, 2026, https://creaturedata.com/animals/fat-tailed-dunnart.
@misc{fat_tailed_dunnart_2026,
title = {Fat-tailed dunnart (Sminthopsis crassicaudata)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/fat-tailed-dunnart},
note = {Data as of 2026-11-11}
}