Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Guyanancistrus: Composed from Guyana + see under Ancistrus; tenuis: The specific name tenuis is a Latin word, meaning thin. It is used in reference to the slender body of the species.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: a small forest tributary of the Mapaoni River, upper Jari River Basin, Massif du Mitakara in French Guiana.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.1 cm SL male/unsexed; (Ref. 116863)
Short description
Identification keys | Morphology | Morphometrics
Inhabits rocky, shallow (20-60 cm depth) mountain creek with medium to strong currents, and some pools (Ref. 116863).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fisch-Muller, S., J.H.A. Mol and R. Covain, 2018. An integrative framework to reevaluate the Neotropical catfish genus Guyanancistrus (Siluriformes: Loricariidae) with particular emphasis on the Guyanancistrus brevispinis complex. Plos ONE 13(1):e0189789. (Ref. 116863)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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