Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Loricariidae
(Armored catfishes) > Hypostominae
Etymology: Ancistrus: Greek, agkistron = hook (Ref. 45335). More on author: Kner.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 23°C - 27°C (Ref. 1672)
South America: upper and middle Brazilian Amazon River basin and from the Negro, lower Trombetas, Tefé, Madeira and Tapajós River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.8 cm SL male/unsexed; (Ref. 36713)
Aquarium keeping: feeds on plants and roots; minimum aquarium size 80 cm (Ref. 51539).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
The male guards the clutch which is usually hidden between roots (Ref. 1672).
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. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: of no interest; aquarium: commercial
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00668 - 0.03127), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .