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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
экология
морской демерсальный; пределы глубины 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 / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 70.0 cm TL самец/пол неопределен; (Ref. 9118); common length : 30.0 cm TL самец/пол неопределен; (Ref. 9118); наибольший вес (опубликованные данные): 4.8 kg (Ref. 2850); наибольший возраст (опубликованны данные): 15 годы (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
половая зрелость | размножение | нерест | икра | Fecundity | личинки
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)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-1)
Угроза для людей
Harmless
Использование человеком
рыболовство: коммерческий; объект спортивного рыболовства: да
дополнительная информация
инструменты
Специальные отчеты
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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.
устойчивость к внешним воздействиям (Ref.
120179): средний (среднего размера), минимальное время удвоения популяции 1.4-4.4 года (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);
