L1 users: 3,500 (2006 ISA). Total users in all countries: 3,900.
Acre and Amazonas states: Juruá and Purus rivers.
Minor changes from Peruvian dialect.
Still spoken as L1 in remote villages, but Portuguese [por] is becoming dominant in villages near cities (Crevels 2007).
Latin script [Latn].
May still be some uncontacted groups in the Brazil-Peru border area.