Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 50 - 500 m (Ref. 26999), usually 100 - 200 m (Ref. 26999). Subtropical; 45°N - 35°S, 98°W - 34°W
Western Atlantic: Canada (Ref. 5951) to Maine, USA and northern Gulf of Mexico to Uruguay. Eastern Atlantic: Senegal to Angola (Ref. 5512).
Length at first maturity / Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm 10.0  range ? - ? cm
Max length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 7251); common length : 23.0 cm FL αρσενικό/απροσδιόριστο; (Ref. 47377)
Ραχιαίες άκανθες (συνολικά) : 12; Μαλακές ραχιαίες ακτίνες (συνολικά) : 13 - 16; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 15.
Body shape (shape guide): fusiform / normal.
Occurs chiefly on the continental shelf, mostly on muddy bottoms (Ref. 2683). Juveniles occur in surface waters. Feeds mainly on small crustaceans. Forms large schools (Ref. 36543). Adults are demersal or bathypelagic (Ref. 47377).
Oviparous, gonochorous, with pelagic eggs (Ref. 101194).
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: Version 2025-1)
Threat to humans
Harmless
Human uses
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 13 - 23.8, mean 19 °C (based on 119 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00982 - 0.01940), b=2.93 (2.84 - 3.02), in cm total length, based on LWR estimates for this species (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.5 ±0.50 se; based on food items.
Ελαστικότητα (Αναφ.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
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Nutrients (Ref.
124155): Calcium = 116 [65, 221] mg/100g; Iron = 1.35 [0.82, 2.33] mg/100g; Protein = 20.8 [18.8, 22.5] %; Omega3 = 0.484 [0.301, 0.780] g/100g; Selenium = 39.2 [19.5, 72.1] μg/100g; VitaminA = 9.17 [3.11, 27.94] μg/100g; Zinc = 0.738 [0.524, 1.075] mg/100g (wet weight); based on
nutrient studies.