Comment: "Small" is ambiguous. For details on "Small rivers" (e.g. the Salween river) see http://worldwildlife.org/biomes/small-river-ecosystems. This class will be replaced with a less ambiguous class.
Known occurrences, collected specimens and observations of Ancistrus falconensis Taphorn, Armbruster & Rodríguez-Olarte 2010. View this species on GBIF