Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser; brackwasser demersal; tiefenbereich 1 - 53 m (Ref. 9710). Subtropical; 46°N - 45°S, 98°W - 33°W
Western Atlantic: Canada (Ref. 5951) to Maine to Florida, USA (possibly from Nova Scotia, Canada), along coasts of central and south America (Ref. 26938) to Uruguay, including Bermuda and Gulf of Mexico (Ref. 9626). Rare in Greater Antilles (Ref. 26938).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 48.3 cm TL Männchen/unbestimmt; (Ref. 9626); common length : 35.0 cm TL Männchen/unbestimmt; (Ref. 5217); max. veröff. Gewicht: 2.1 kg (Ref. 40637)
Rückenflossenstacheln (insgesamt) : 9; Rückenflossenweichstrahlen (insgesamt) : 23; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 18. Pelvic fin small.
Body shape (shape guide): fusiform / normal.
Adults are found in shallow coastal waters, usually over hard or sandy bottoms. Juveniles may be encountered in estuarine areas (Ref. 9626) and off sandy beaches (Ref. 5217). Found in schools, but may be encountered in small groups or in pairs (Ref. 26235). Adults feed on small crabs, shrimps, fishes, and worms. Flesh has excellent flavor (Ref. 5521). Marketed fresh (Ref. 9710).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Reports of ciguatera poisoning (Ref. 30911)
Nutzung durch Menschen
Fischereien: weniger kommerziell; Sportfisch: ja; Aquarium: Öffentliche Aquarien
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 11.8 - 27.9, mean 24.2 °C (based on 648 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.01149 - 0.01444), b=2.95 (2.92 - 2.98), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophische Ebene (Ref.
69278): 4.3 ±0.4 se; based on diet studies.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Moderate vulnerability (38 of 100).
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Nährstoffe (Ref.
124155): Calcium = 98.3 [55.1, 209.5] mg/100g; Iron = 1.33 [0.75, 2.58] mg/100g; Protein = 19.2 [17.4, 21.5] %; Omega3 = 0.43 [0.26, 0.73] g/100g; Selenium = 22 [12, 45] μg/100g; VitaminA = 10 [3, 30] μg/100g; Zinc = 0.709 [0.507, 1.020] mg/100g (wet weight); based on
nutrient studies.