Microcebus arnholdi

Arnold's dwarf lemur is 8.1 cm long, with a tail length of 12.9 cm, a crown of 3.3 cm, a snout length of 9.4 mm, and an ear length of 17.8 mm; the width is 10.1 mm. It weighs 49.7 grams. The fur on the back is dark brown, red, and gray, with a dark brown midline dorsal stripe at the bottom of the back. The tail has a dark brown tip. The fur on the abdomen is white to cream with a gray base color. The head is red, and the snout and the area around the eyes are dark brown, with a white nose ridge above the snout. This is an animal that is active at night. It is very small, not even as big as a human thumb, and weighs only a few dozen grams. They have long noses; their eyes are round and very large, occupying most of the face, which makes their eyesight very sharp; because they conquer the dark night of the forest with their protruding round eyes. Their limbs are also extremely flexible, like a clever little mouse.

It is found in the montane rainforests of the Parc National Montagne d’Ambre in Madagascar and northwest of the Irodo River in the Antsiranana Province of Madagascar. It lives low in trees and is found in moist tropical rainforests.

Arnold's dwarf lemur (scientific name: Microcebus arnholdi) lives in trees and groups, usually about 30 pairs living by streams or rivers. It mainly feeds on fruits and insects. It spends the day hiding in tree holes. In the evening, even if it wakes up, it will wait until sunset to scurry around the branches. Its movements are cautious and often fleeting. It is aggressive and often fights for territory. It mainly feeds on fruits, flowers, insects, etc. The gestation period is 54-69 days, and each litter has 2-4 pups. The average lifespan is about 15 years.

Arnold's dwarf lemur is named in honor of Henry Arnhold of New York, who helped create the international health community and conservation arbitration procedures to protect important biodiversity hotspots.

Listed in the 2014 IUCN Red List of Threatened Species ver3.1 - Endangered (EN).

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