The Maués marmoset (''Mico mauesi'') is a

marmoset The marmosets (), also known as zaris or sagoin, are 22 New World monkey species of the genera ''Callithrix'', ''Cebuella'', ''Callibella'', and ''Mico''. All four genera are part of the biological family Callitrichidae. The term "marmoset" is ...

endemic to

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. It is found only on the west bank of the Maués Açu River, in the Amazonas state.

References

Maués marmoset Mammals of Brazil Endemic fauna of Brazil Maués marmoset Maués marmoset Taxa named by Russell Mittermeier {{newworld-monkey-stub