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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Roncador: Spanish, roncar, roncador = snore, snort (1882) (Ref. 45335).
Eponymy: Robert Edwards Carter Stearns (1827–1909) was an American conchologist who served as director of the museum of the California Academy of Sciences. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 1 - 22 m (Ref. 96339). Subtropical; 42°N - 22°N, 125°W - 106°W
Eastern Pacific: Point Conception in California, USA to southern Baja California, Mexico.
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 9118); common length : 30.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 9118); بيشينه وزن گزارش شده: 4.8 kg (Ref. 2850); بيشينه سن گزارش شده: 15 سال ها (Ref. 56049)
Occur in sandy shores and bays, mostly in shallow surf zones, but also to 15 m depth. Often found near rocks and entrances to bays. Usually form small groups, but aggregate for spawning. Pelagic spawners (Ref. 56049). Feed on invertebrates, such as marine worms, clams, crabs and small crustaceans.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Pelagic spawner (Ref. 56049).
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; ماهي ها ي سرگرم كننده: بله
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 15.9 - 19.5, mean 17.8 °C (based on 20 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00415 - 0.01744), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.44 se; based on food items.
Generation time: 3.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (tm=2.5; tmax=15).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
Nutrients (Ref.
124155): Calcium = 69.6 [38.7, 139.0] mg/100g; Iron = 0.979 [0.496, 1.744] mg/100g; Protein = 19.6 [18.5, 20.7] %; Omega3 = 0.261 [0.142, 0.434] g/100g; Selenium = 23.6 [12.6, 48.5] μg/100g; VitaminA = 9.3 [3.0, 31.4] μg/100g; Zinc = 0.726 [0.527, 1.061] mg/100g (wet weight);