The Panaque Group
Panaque Eigenmann and Eigenmann, 1889 and Scobinancistrus Isbrücker and Nijssen 1989

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Panaque maccus, photo by K.S. Cummings

Panaque nigrolineatus, photo by K.S. Cummings

Scobinancistrus aureatus, photo by K.S. Cummings
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    • Armbruster (1997) determines that Scobinancistrus forms a polytomy with the species of Panaque.  In order to make Panaque monophyletic, Scobinancistrus would have to be placed in Panaque.  Panaque has been traditionally recognized on the basis of their large, spoon-shaped teeth, the species of Scobinancistrus also have spoon-shaped teeth; however, they have very long stalks associatd with them.  Given that Scobinancistrus will likely be treated as a synonym of Panaque in the future, the two genera are treated as a group.

    SPECIES

    P. albomaculatus Kanazawa 1958
    P. cochliodon (Steindachner 1879)
    P. dentex (Günther 1868)
    P. gnomus Schaefer and Stewart 1993
    P. maccus Schaefer and Stewart 1993
    P. nirgrolineatus (Peters 1877)
    P. nocturnus Schaefer and Stewart 1993
    P. purusiensis La Monte 1935
    P. suttoni Schultz 1944

    S. aureatus Burgess 1994
    S. pariolispos Isbrücker and Nijssen 1989


    DISTRIBUTION

    Found in the Río Magdalena, Río Orinoco, Río Amazonas, Essequibo River, and Lago Maracaibo drainages

    COMMENTS

    Diagnostic material for this page is in preparation.

    In the aquarium trade, species of Panaque are often confused with species of Peckoltia.  The most common species sold under the name of clown plecostomus is Panaque maccus.


    LITERATURE CITED

    Armbruster, J.W. 1997. Phylogenetic relationships of the sucker-mouth armored catfishes (Loricariidae) with particular emphasis on the Ancistrinae, Hypostominae, and Neoplecostominae. Unpubl. Ph.D. dissertation. University of Illinois, Urbana-Champaign. 409 pp.

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    • If you have any comments or questions regardng this site, please contact Jon Armbruster at armbrjw@mail.auburn.edu