Harttiella crassicauda

Harttiella crassicauda
Scientific classification
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. ^ a b 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. ^ a b 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.


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