Dentectus

Dentectus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Subfamily: Loricariinae
Genus: Dentectus
Martín Salazar, Isbrücker, & Nijssen, 1982
Species:
D. barbarmatus
Binomial name
Dentectus barbarmatus
Martín Salazar, Isbrücker, & Nijssen, 1982

Dentectus is a monospecific genus of freshwater ray-finned fish belonging to the family Loricariidae, the armored suckermouth catfishes, and the subfamily Loricariinae, the mailed catfishes. The only species in the genus is Dentectus barbarmatus.[2][3]

This species is endemic to Venezuela where it is found in the upper Orinoco drainage.[2] There is very little ecological and behavioral information on this species.[2]

This species reaches 13.7 centimetres (5.4 in) SL.[4] Although it has been placed within the Pseudohemiodon group based on its strongly depressed body, filamentous lips with long fringed barbels, and small, spoon-shaped and dentition, Dentectus also shows unique derived features such as the presence of plates along the outer margin of its maxillary barbels, and a unique mouth structure that distinguishes it from all other genera.[2]

References

  1. ^ Villa-Navarro, F.; DoNascimiento, CD; Mojica, J.I.; et al. (2021). "Dentectus barbarmatus". IUCN Red List of Threatened Species. 2021 e.T176016109A176016118. doi:10.2305/IUCN.UK.2021-3.RLTS.T176016109A176016118.en. Retrieved 15 September 2025.
  2. ^ a b c d Covain, Raphael; Fisch-Muller, Sonia (2007). "The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis" (PDF). Zootaxa. 1462: 1–40.
  3. ^ Martin Salazar, F.J.; Isbrücker, I.J.H.; Nijssen, H. (1982). "Dentectus barbarmatus, a new genus and species of mailed catfish from the Orinoco Basin of Venezuela (Pisces, Siluriformes, Loricariidae)". Beaufortia. 32 (8): 125–137.
  4. ^ Froese, Rainer; Pauly, Daniel (eds.). "Dentectus barbarmatus". FishBase. December 2011 version.


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