Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: Coastal rivers from Suriname River east to Approuague River.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.8 cm SL male/unsexed; (Ref. 90209)
Very abundant in zones of swiftly flowing plunging waters (Ref. 27188). The adult male of this species has very well developed odontodes on the front edge of its pectoral fins (Ref. 35381).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2003. Loricariidae - Loricariinae (Armored catfishes). p. 330-350. 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. 36389)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00162 - 0.00743), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.5 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (13 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .