Microcebus arnholdi, Louis et al., 2008

Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Cheirogaleidae, Handbook of the Mammals of the World – Volume 3 Primates, Barcelona: Lynx Edicions, pp. 28-65 : 55

12.

Montagne d’Ambre Mouse Lemur

Microcebus arnholdi

French: Microcebe d'Arnhold / German: Montagne-d'’Ambre-Mausmaki / Spanish: Lémur ratén de Arnhold

Other common names: Arnhold’s Mouse Lemur

Taxonomy. Microcebus arnholdi Louis et al., 2008 ,

Madagascar, province of Antsiranana, Montagne d’Ambre National Park and Forét d’Ambre Special Reserve (approximately 12° 31° 28-1” S, 49° 10° 22-8” E, 990 m above sea level).

This species is monotypic.

Distribution. N Madagascar, known only from Montagne d’Ambre National Park and Forét d’Ambre Special Reserve, NW of the Irodo River.

Descriptive notes. Head-body c.12:6 cm, tail 10.6-13.6 cm; weight 45 g. The Montagne d’Ambre Mouse Lemur is a medium-sized mouse lemur. Dorsal pelage is a mixture of dark brown, red, and gray, with the tail being dark brown near the tip. There is a dark-brown dorsal midline stripe that runs to the base of the tail. The ventral fur is white to cream with gray undertones. The head is predominantly red with dark brown on the muzzle and surrounding the eyes and a white nose ridge that stops at the distal end of the muzzle.

Habitat. Montane rainforest.

Food and Feeding. There is no specific information available for this species, but undoubtedly fruits and insects are eaten, and possibly other items identified in the diets of other members of the genus.

Breeding. There is no information available for this species.

Activity patterns. The Montagne d’Ambre Mouse Lemur is nocturnal and arboreal.

Movements, Home range and Social organization. There is no information available for this species.

Status and Conservation. CITES Appendix I. The conservation status of the Montagne d’Ambre Mouse Lemur has not been assessed on The IUCN Red List. However, at the IUCN/SSC Lemur Red-Listing Workshop held in July 2012, the Montagne d’Ambre Mouse Lemur was assessed as endangered due to its small extent of occurrence and ongoing decline. It is known to occur in Montagne d’Ambre National Park and Foret d’Ambre Special Reserve.

Bibliography. Louis et al. (2008), Mittermeier et al. (2010).

Figures

1. Gray Mouse Lemur (Microcebus murinus), 2. Gray-brown Mouse Lemur (Microcebus griseorufus), 3. Madame Berthe’s Mouse Lemur (Microcebus berthae), 4. Peters’s Mouse Lemur (Microcebus myoxinus), 5. Golden-brown Mouse Lemur (Microcebus ravelobensis), 6. Bongolava Mouse Lemur (Microcebus bongolavensis), 7. Ambarijeby Mouse Lemur (Microcebus danfossi), 8. Margot Marsh’s Mouse Lemur (Mucrocebus margotmarshae), 9. Sambirano Mouse Lemur (Microcebus sambiranensis), 10. Nosy Be Mouse Lemur (Microcebus mamaratra), 11. Tavaratra Mouse Lemur (Microcebus tavaratra), 12. Montagne d’Ambre Mouse Lemur (Microcebus arnholdi), 13. Rufous Mouse Lemur (Mucrocebus rufus), 14. Jolly’s Mouse Lemur (Microcebus jollyae), 15. Gerp’s Mouse Lemur (Microcebus gerpi), 16. Goodman’s Mouse Lemur (Microcebus lehilahytsara), 17. Simmons’s Mouse Lemur (Microcebus simmonsi), 18. Anjiahely Mouse Lemur (Mucrocebus macarthuri), 19. Mittermeier’s Mouse Lemur (Microcebus mittermeieri)

Distribution. N Madagascar, known only from Montagne d’Ambre National Park and Forét d’Ambre Special Reserve, NW of the Irodo River.