Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino; salobre demersal; rango de profundidad 10 - 183 m (Ref. 5951). Temperate; 54°N - 29°N
Western Atlantic: Newfoundland in Canada to northeastern Florida in USA.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 36.0 cm TL macho / no sexado; (Ref. 7251); common length : 20.0 cm TL macho / no sexado; (Ref. 3821)
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 8; Espinas anales: 0; Radios blandos anales: 7. Upper side grey or brown with poorly defined black spots and saddles. Belly yellow to white. Tiny jet-black pepper spots (about 1 mm in diameter) scattered over most of pigmented surface, particularly evident on cheeks. Lower sides with a row of black, elongate, bar-like markings. No lappets on head or body (Ref 53033).
Body shape (shape guide): short and / or deep.
Inhabits bays, estuaries and protected coastal waters. Sold as `sea squab' in northern part of range. Feeds primarily on shellfish, occasionally on finfish. Reportedly non-toxic.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: escaso valor comercial; Acuario: Comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02512 (0.01130 - 0.05584), b=2.88 (2.71 - 3.05), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
4.0 ±0.66 se; based on food items. |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (K=0.6). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |
Vulnerabilidad climática (Ref. 125649) |
Low vulnerability (22 of 100). 🛈 |
Categoría de precios (Ref. 80766) |
Low.
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Nutrientes (Ref. 124155) |
Calcium = 38.7 [16.1, 97.2] mg/100g; Iron = 0.415 [0.167, 0.986] mg/100g; Protein = 18.3 [16.1, 20.6] %; Omega3 = 0.641 [0.299, 1.355] g/100g; Selenium = 15.5 [6.7, 35.4] μg/100g; VitaminA = 7.65 [2.05, 30.83] μg/100g; Zinc = 0.49 [0.34, 0.77] mg/100g (wet weight); |