Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The last native speaker is believed to have died in the first decade of the 2000s, at which time only 10 people were estimated to have Akuriyó as a second language. By 2012, only two semi-speakers remained.
Sepi Akuriyó, one of the last surviving speakers of Akuriyó, went missing 2 December 2018, when a small plane carrying 8 people disappeared during a flight over the Amazon rainforest. A search and rescue operation was called off after two weeks.