Common names from other countries
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Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Doradinae
Etymology: Hassar: Origin of the name was not specified by the author, but it is possible that it refers to the name commonly applied to certain catfishes in Guyana, such as Hoplosternum littorale or Hypostomus watawata..
More on author: Steindachner.
Issue
Questionable records fom Río Itapicuru and Fortaleza, Brazil (Steindachner 1917:73, Fowler 1941:142).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande; pH range: 6.0 - 7.5; dH range: 6 - 15. Tropical; 22°C - 28°C (Ref. 13614)
South America: Parnaíba River basin, Brazil.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.7 cm SL hane/ej könsbestämd; (Ref. 126016); publicerad maxvikt: 195.60 g (Ref. 126016)
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. 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. 37054)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.8 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).