804.

Sulawesi Shrew Mouse

Crunomys celebensis

French: Crunomys des Célébes / German: Sulawesi-Spitzmausratte / Spanish: Raton musarana de Célebes

Other common names: Celebes Shrew Rat, Small Shrew Rat, Sulawesi Small-bodied Shrew Rat

Taxonomy. Crunomys celebensis Musser, 1982,

“near the village of Tomado (lat.

1°19’ S, long. 120°5’ E) in the mountain valley of Danau (which means Lake) Lindu, Province Sulawesi Tenagh, Central Sulawezi, Indonesia.”

Crunomys is sister to Maxomys . The most recent molecular phylogeny by S. J. Steppan and J. J. Schenk in 2017 confirmed C. melanius as sister to C. suncoides, both belonging to a clade close to Maxomys in Rattini . Monotypic.

Distribution. Known only from type locality and adjacent areas in NC Sulawesi and Mt Gandangdewata, WC Sulawesi.

Descriptive notes. Head-body 115-127 mm,tail 80-84 mm, hindfoot 25-27 mm, ear 14 mm; weight 35-55 g. The Sulawesi Shrew Mouse is small, characterized by dark chestnut dorsal pelage and slightly paler brown venter, without demarcation between back and belly. Fur is not spiny. Finely scaled tail is 66-75% of head-body length and has stiff hairs. Head is short and broad, ears are small, and eyes have two concentric white rings. Skull is compact, with short wide rostrum. Tympanic bullae are not inflated, representing 15% of greatest skull length. Females have eight pairs of mammae.

Habitat. Tropical lowland evergreen rainforests with dense canopies and forested terraces next to wet ravines or small streams, wet and humid streamside forests, and mountain forests at elevations of 800-1600 m.

Food and Feeding. Stomach contents of Sulawesi Shrew Mice contained either vegetative matter or insects and other arthropods or a mix of all three.

Breeding. No information.

Activity patterns. Sulawesi Shrew Mice are terrestrial and probably diurnal.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red List. The Sulawesi Shrew Mouse is known from only ten specimens;its type locality area is not protected and suffers from human perturbations.

Bibliography. Achmadi, Esselstyn et al. (2013), Achmadi, Rowe & Esselstyn (2014), Corbet & Hill (1992), Musser (1982a), Musser & Durden (2002), Rickart et al. (1998), Steppan & Schenk (2017).