Otocinclus xakriaba is a species of suckermouth catfish native to the São Francisco river basin in South America.

This species reaches a maximum length of 3.1 centimetres (1.2 in) (SL).

[1] O. xakriaba is a Batesian mimic that mimics juvenile Corydoras garbei.

The mechanism driving the mimicry is unknown.

This Loricariidae article is a stub.