It has the teeth notably larger in proportion to the skull than most of its relatives, a trait that gives it the name and that could be related to somewhat larger or harder prey than usual among the musaraches of its size. It lives in the mountain wet forest of a southern section of Mexico and Guatemala, hidden between the leaf and soil musaraches as the rest of the region. Like all musaraches, it has such an accelerated metabolism that it must be fed with enormous frequency to not die of inanition in a few hours.
Small-medium-sized musaraches, with notably large teeth in proportion to the skull, dark brown coat, long and mobile fox, and tiny eyes barely visible.It is confused with other musaraches from the Mesoamerican mountains, whose reliable separation often requires cranial or genetic analysis given the large external resemblance between them all.
Minuscule footprint, barely 1-1.2 cm, rarely visible except in very fine substrate. Minuscule, dark excretions, of a few millimeters, with remains of insect cutter visible under the lupa, left scattered by their paths under the wet leaf. Build surface galleries under the leaf cutter and spherical grass nests in holes under fallen trunks, and their presence is delated by a sharp and rapid whirling when feeling threatened.
Mountainous wet forest, with dense soil of foliage and moss, generally between 1500 and 3000 m of altitude.
Insectívora, it feeds on insects, land ribs and other invertebrates from the mountain forest soil, caught thanks to a very accelerated metabolism.
Continuous activity distributed in short periods throughout the day and night due to its very accelerated metabolism, with a solitary and territorial behavior.
Its populations are considered to be declining due to the continued loss of mountain wetlands, known as less than five localities with a very fragmented distribution between the south of Mexico and Guatemala.
Deforestation and fragmentation of mountain wetlands by agricultural and urban expansion in the mountains of southern Mexico and Guatemala.
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