Environment: milieu / climate zone / depth range / distribution range
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 / Age
Maturity: 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)
Short description
Morfología | Morfometría
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).
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.
Life cycle and mating behavior
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: escaso valor comercial; Acuario: Comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 4.9 - 24.4, mean 9.3 °C (based on 71 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01026 - 0.05115), b=2.89 (2.72 - 3.06), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 4.0 ±0.66 se; based on food items.
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (K=0.6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
Climate Vulnerability (Ref.
125649): Low vulnerability (22 of 100).
Nutrients (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);
