Issue
Original description based on drawings included in an unpublished manuscript by Vandelli; Capello (1870:64, pl. 7) redescribed and figured the holotype (unique specimen acquired in 1786 by Ferreira sent to Lisbon from Barcelos and studied by Vandelli), precised its historic and geographic origin, and discussed the species; new combination by Regan (1904:261); no recent work.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Tropical
South America: Negro and lower Amazon River basins, Brazil.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL hane/ej könsbestämd; (Ref. 36713)
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00712 - 0.03216), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).