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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Genyonemus: Greek, geny, -yos = face, jaw + Greek, nema = filament (Ref. 45335).
More on author: Ayres.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien benthopelagisch; diepte ? - 183 m (Ref. 2850), usually ? - 30 m (Ref. 2850). Subtropical; 49°N - 24°N, 129°W - 111°W
Eastern Pacific: Canada (Barkley Sound in British Columbia) to Mexico (southern Baja California; rare north of California, USA.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 14.0, range 13 - 15 cm
Max length : 41.0 cm TL mannelijk / geslacht onbekend; (Ref. 2850); max. gerapporteerde leeftijd: 15 Jaren (Ref. 56049)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 13 - 16; Dorsale zachte stralen (totaal) : 21 - 24; Anale stekels: 2; Anale zachte stralen: 11 - 12; Wervels: 25. Pelvic fins with fleshy appendage at base, first ray with free thread-like tip.
Found over sandy bottoms (Ref. 9118). Feed on polychaetes, small shrimps, crabs and mollusks (Ref. 9118). Oviparous, multiple pelagic spawner (Ref. 51256).
A multiple spawner (Ref. 51256).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; sportvis: ja
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 7.7 - 18.1, mean 10.7 °C (based on 104 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00561 - 0.01865), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.49 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tm=1; tmax = 15; Min batch fecundity = 800).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
Climate Vulnerability (Ref.
125649): Low to moderate vulnerability (29 of 100).
Nutrients (Ref.
124155): Calcium = 69.8 [38.0, 140.0] mg/100g; Iron = 0.96 [0.47, 1.73] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.359 [0.193, 0.603] g/100g; Selenium = 38.2 [20.4, 77.0] μg/100g; VitaminA = 12.9 [3.9, 48.3] μg/100g; Zinc = 0.82 [0.58, 1.21] mg/100g (wet weight);