A uniquely colored and small growing species of pleco, the L239 or Blue Panaque is not actually a member of the genus Panaque but instead is grouped in with the Gold Nugget Plecos and their close relatives.

Baryancistrus: from the Greek βαρύς (barys), meaning ‘heavy’, and the generic name Ancistrus.

beggini: named in honour of Chris Beggin for ‘his financial support of this research, ethical ornamental fish business practices, and influence on the professional development of the first author’.