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Published March 31, 2013 | Version v1
Taxonomic treatment Open

Mico acariensis

Description

12.

Rio Acari Marmoset

Mico acariensis

French: Ouistiti de I’Acari / German: Rio-Acari-Seidenaffchen / Spanish: Titi de Acari

Taxonomy. Callithrix acariensis van Roosmalen et al, 2000,

Brazil, Amazonas, a small settlement on the right bank of the lower Rio Acari, close to the confluence with the Rios Sucunduri and Canuma, Amazonas State, south-central Amazonia, Brazil (05° 07° 08” S, 60° 01’ 14” W).

This species is monotypic.

Distribution. Brazilian Amazon along the right bank of the lower Rio Acari and through the interfluvium of the rios Acari (in the W) and Sucunduri (to the E), S perhaps to the distribution of the Black-tailed Marmoset (M. melanurus) between the rios Aripuana and Juruena.

Descriptive notes. Head-body ¢.22 cm, tail ¢.38 cm; weight ¢.350 g. The Rio Acari Marmoset is snowy-white on the upper body, distally grading into gray to dark gray mixed with orange on the back and with an orange stripe running down to each knee. Dorsal sides of arms and hands are gray mixed with orange, ventral sides of the lower arms are white with orange, and ventral sides of the legs are white grading distally into orange, with bright orange inner surfaces. The neck and chest are white, the belly is bright orange, and the tail is black with a bright orange tip. The face is naked and pink or flesh colored, with black patches between the eyes, on the sides of the nostrils, and on the lower lip and chin. The nose has a narrow triangular patch on it. Eyes are orange-brown. Genitals are non-pigmented and exposed.

Habitat. Primary and secondary lowland terra firma forest; secondary rainforest surrounding plantations and manioc fields.

Food and Feeding. The Rio Acari Marmoset eats small fruits, nectar, gums, and small animal prey.

Breeding. There is no information available for this species.

Activity patterns. There is no information available for this species.

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

Status and Conservation. CITES Appendix II. Classified as Data Deficient on The IUCN Red List. Additional research is needed to clarify the conservation status of the Rio Acari Marmoset.

Bibliography. Noronha, Silva et al. (2007, 2008), Noronha, Spironello & Ferreira (2008), van Roosmalen et al. (2000), Rylands etal. (2009).

Notes

Published as part of Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Callitrichiade, pp. 262-346 in Handbook of the Mammals of the World – Volume 3 Primates, Barcelona :Lynx Edicions on page 312, DOI: 10.5281/zenodo.5730714

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