Crunomys is a genus of rodent in the family Muridae widespread to the Southeast Asian. They are mid-sized rodents, similar to rats, that live on the ground of tropical rainforests. There they build nests, padded with fallen leaves from trees. They feed on roots, fallen fruit, and other plants, as well as insects. All species are shy and avoid food from humans.
Taxonomy
This genus previously contained only four species, namely C. celebensis, C. fallax, C. melanius,C. suncoides, and C tompotika. Then in 2025 through mitochondrial and nuclear differentiation, the genus Maxomys which was considered a separate species was synonymized to the genus Crunomys and now 24 species have been identified.
Previously Maxomys
- Mountain spiny rat, Crunomys alticola <small>Thomas, 1888</small>, Borneo
- Small spiny rat, Crunomys baeodon <small>Thomas, 1894</small>, Borneo
- Bartels's spiny rat, Crunomys bartelsii <small>Jentink, 1910</small>, Java
- Dollman's spiny rat, Crunomys dollmani <small>Ellerman, 1941</small>, Sulawesi
- Hellwald's spiny rat, Crunomys hellwaldii <small>Jentink, 1878</small>, Sulawesi
- Sumatran spiny rat, Crunomys hylomyoides <small>Robinson and Kloss, 1916</small>, Sumatra
- Malayan mountain spiny rat, Crunomys inas <small>Bonhote, 1906</small>, Malayan Peninsula
- Fat-nosed spiny rat, Crunomys inflatus <small>Robinson and Kloss, 1916</small>, Sumatra
- Mo's spiny rat, Crunomys moi <small>Robinson and Kloss, 1922</small>, Vietnam, Laos
- Musschenbroek's spiny rat, Crunomys musschenbroekii <small>Jentink, 1878</small>, Sulawesi
- Chestnut-bellied spiny rat, Crunomys ochraceiventer <small>Thomas, 1894</small>, Borneo
- Pagai spiny rat, Crunomys pagensis <small>Miller, 1903</small>, Mentawai Islands
- Palawan spiny rat, Crunomys panglima <small>Robinson, 1921</small>, Palawan and neighboring islands
- Rajah spiny rat, Crunomys rajah <small>Thomas, 1894</small>, Malayan Peninsula, Sumatra, Borneo
- Red spiny rat, Crunomys surifer <small>Miller, 1900</small>, Sumatra, Java, Borneo
- Crunomys tajuddinii <small>Achmadi, Maryanto & Maharadatunkamsi, 2012</small>, Malay Peninsula, Sumatra, Borneo
- Watts's spiny rat, Crunomys wattsi <small>Musser, 1991</small>, Sulawesi
- Whitehead's spiny rat, Crunomys whiteheadi <small>Thomas, 1894</small>, Malayan Peninsula, Sumatra, Borneo
References