Harttiella crassicauda

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Harttiella crassicauda
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Genus: Harttiella
Species:
H. crassicauda
Binomial name
Harttiella crassicauda
(Boeseman, 1953) [2]
Synonyms [2]

Harttia crassicaudaBoeseman, 1953

Harttiella crassicauda is a species of freshwater ray-finned fish belonging to the family Loricariidae, the mailed catfishes, and the subfamily Loricariinae, the armoured suckermouth catfishes.

This species is only known from its type locality, the IJs-creek in the Nassau Mountains, in the Marowijne River drainage in Suriname. It has been found in a little forest creek over sandy and rocky bottoms. [3] This fish was previously thought to be extinct after not being sighted for 50 years; however, this fish has since been re-discovered. [4]

This species reaches a length of 4.9 centimetres (1.9 in) SL. [5] Sexual dimorphism is similar to that of Harttia , in which mature males develop hypertrophied odontodes on the pectoral spines, along the margin of the snout, and on the entire body except for the abdominal region. [3]

References

  1. Ballen, G.A. (2023). "Harttiella crassicauda". IUCN Red List of Threatened Species . 2023 e.T176172099A176172106. doi: 10.2305/IUCN.UK.2023-1.RLTS.T176172099A176172106.en . Retrieved 10 January 2026.
  2. 1 2 Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Hartiella". Catalog of Fishes . California Academy of Sciences . Retrieved 10 January 2026.
  3. 1 2 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. doi:10.11646/zootaxa.1462.1.1.
  4. "Extinct plec rediscovered". 2007-05-06. Archived from the original on 2007-09-27. Retrieved 2007-05-06.
  5. Froese, Rainer; Pauly, Daniel (eds.). "Hariella crassicauda". FishBase . November 2025 version.