Tridentopsis

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Tridentopsis
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Trichomycteridae
Subfamily: Tridentinae
Genus: Tridentopsis
Myers, 1925
Type species
Tridentopsis pearsoni
Myers, 1925

Tridentopsis is a genus of pencil catfishes native to South America.

Species

There are currently four recognized species in this genus: [1]

Tridensimilis brevis is distributed in the Amazon River basin in Brazil, while T. cahuali originates from the Paraguay River basin in Argentina. T. pearsoni inhabits the upper Amazon River basin in Bolivia. T. tocantinsi lives in the Tocantins River basin in Brazil. [2] Tridentopsis species grow to about 2.2 to 3 centimetres or 0.87 to 1.18 inches SL. [3] [4] [5] [6]

References

  1. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Tridentopsis". Catalog of Fishes . California Academy of Sciences . Retrieved 22 October 2025.
  2. ↑ Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa . 1418: 1–628. doi:10.11646/zootaxa.1418.1.1.
  3. ↑ Froese, Rainer; Pauly, Daniel (eds.). "Tridentopsis cahuali". FishBase . July 2014 version.
  4. ↑ Froese, Rainer; Pauly, Daniel (eds.). "Tridentopsis pearsoni". FishBase . July 2014 version.
  5. ↑ Froese, Rainer; Pauly, Daniel (eds.). "Tridentopsis tocantinsi". FishBase . July 2014 version.
  6. ↑ Froese, Rainer; Pauly, Daniel (eds.). "Tridensimilis brevis". FishBase . July 2007 version.


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