Panaqolus is a genus of small catfish in the family Loricariidae native to rivers in tropical South America. Its members were formerly thought to belong to a clade of small-sized species in the genus Panaque, until this genus was separated from Panaque in 2001. At times it has been considered a subgenus of Panaque, and the validity of the genus has been disputed by various authors and sources. Pseudoqolus koko was formerly considered to be a member of this genus, although it was reclassified as a member of the currently monotypic genus Pseudoqolus by Nathan K. Lujan, Christian A. Cramer, Raphael Covain, Sonia Fisch-Muller, and Hernán López-Fernández following a 2017 molecular phylogenetic analysis.
Species
There are currently 11 recognized species in this genus:
- Panaqolus albivermis Lujan, Steele & Velasquez, 2013
- Panaqolus albomaculatus (Kanazawa, 1958)
- Panaqolus changae (Chockley & Armbruster, 2002)
- Panaqolus claustellifer M. Tan, L. S. Souza & Armbruster, 2016
- Panaqolus dentex (Günther, 1868)
- Panaqolus gnomus (Schaefer & D. J. Stewart, 1993)
- Panaqolus maccus (Schaefer & D. J. Stewart, 1993)
- Panaqolus nix Cramer & Rapp Py-Daniel, 2015
- Panaqolus nocturnus (Schaefer & D. J. Stewart, 1993)
- Panaqolus purusiensis (La Monte, 1935)
- Panaqolus tankei Cramer & L. M. de Sousa, 2016
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