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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Pachyurus: Greek, pachys = fat + Greek, oura = tail (Ref. 45335).
Eponymy: Sir Robert Hermann Schomburgk (1804–1865) was a German businessman who was asked to supervise transporting Saxon sheep to Virginia, USA (1828), where he stayed. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water; brak water benthopelagisch. Tropical
South America: Amazon and Orinoco River basins.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 28.5 cm SL mannelijk / geslacht onbekend; (Ref. 125983); 28.9 cm SL (female); max. gepubliceerd gewicht: 381.94 g (Ref. 125983); max. gepubliceerd gewicht: 381.94 g
An important foodfish (Ref. 4537).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00439 - 0.01251), b=3.11 (2.97 - 3.25), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (25 of 100).