Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande; havsvandrande (Ref. 51243); djupintervall 10 - ? m. Subtropical; 46°N - 66°S, 91°W - 34°W
Western Atlantic: Nova Scotia, northern Mexico and Florida.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 64.5, range 63 - ? cm
Max length : 170 cm TL hane/ej könsbestämd; (Ref. 7251); common length : 50.0 cm TL hane/ej könsbestämd; (Ref. 3702); publicerad maxvikt: 51.3 kg (Ref. 4699); rapporterad maxålder: 43 år (Ref. 7188)
Taggstrålar i ryggfenan (totalt) : 11; Mjukstrålar i ryggfenan (totalt) : 19 - 22; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 5 - 7. Silvery grey to very dark, young with 4 or 5 black vertical bars on sides, disappearing with growth; pelvic and anal fins usually dark. Chin with 5 pores and 10 to 13 pairs of small barbels along median edges of lower jaws and subopercles, increasing in length posteriorly. Gas bladder with numerous lateral appendages interconnected in a complicated pattern in adult. Sagitta semicircular and moderately thin (Ref 51721).
Body shape (shape guide): fusiform / normal.
Found usually over sand and sandy mud bottoms in coastal waters, especially in areas with large river runoffs (Ref. 7251), in magrove areas (Ref. 138854). Juveniles often enter estuaries. Feeds mainly on crustaceans, mollusks and fishes (Ref. 7251)..
Parenti, P., 2020. An annotated checklist of fishes of the family Sciaenidae . Journal of Animal Diversity (2020), 2 (1):1-92. (Ref. 122871)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; sportfisk: ja; Akvarium: Offentliga akvarier
Verktyg
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00912 (0.00545 - 0.01526), b=3.07 (2.93 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.5 se; based on diet studies. |
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Generation time |
10.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.17; tm=3-5; tmax=43). |
Sårbarhet i fisket (Ref. 59153) |
High vulnerability (62 of 100). 🛈 |
Sårbarhet för klimatet (Ref. 125649) |
Moderate to high vulnerability (54 of 100). 🛈 |
Priskategori (Ref. 80766) |
Low.
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Näringsämnen (Ref. 124155) |
Calcium = 38.1 [22.4, 72.3] mg/100g; Iron = 0.803 [0.422, 1.361] mg/100g; Protein = 19.7 [18.0, 21.7] %; Omega3 = 0.289 [0.175, 0.459] g/100g; Selenium = 37.5 [20.9, 71.1] μg/100g; VitaminA = 4.98 [1.88, 15.13] μg/100g; Zinc = 0.611 [0.443, 0.888] mg/100g (wet weight); based on nutrient studies. |