L1 users: 35 (2002 SIL), decreasing. 1 monolinguals. Ethnic population: 520 (2007 census).
Loreto region: Atalaya and San Antonia on Chambira, Nanay, and Pintoyacu rivers.
8a (Moribund). Recognized language (2011, Law No. 29735, Preservation and Use of Original Languages of Peru).
Pintuyacu. Cahuarano [cah] may be a dialect.
Older adults. Negative attitudes. Also use Spanish [spa].
Latin script [Latn].
In 1958–1966 there were 100 speakers on the verge of extinction and acculturation to Spanish-speaking society. Children understood but did not speak, adults were bilingual with Spanish, older people understood Spanish, but only spoke Iquito. Speakers died from measles, whooping cough, and pneumonia. The rubber boom and landowner (patron) system had devastating effects. Christian.