Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Loricariidae
(Armored catfishes) > Ancistrinae
Etymology: Pseudacanthicus: Greek, pseudes = false + Greek, akantha = thorn (Ref. 45335). More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: coastal drainages of the Guianas.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm SL male/unsexed; (Ref. 36713)
Known to scientists from only a few specimens. According to Boni fishermen in Guiana, this fish lives in the deep and rocky zones of the main riverbed. Despite its size, it is not consumed as food by native populations since it has a reputation for being dirty and sticky (Ref. 35381).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fisch-Muller, S., 2003. Loricariidae-Ancistrinae (Armored catfishes). p. 373-400. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36713)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00370 - 0.01627), b=3.07 (2.89 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .