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Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
Etymology: Polydactylus: Greek, poly = a lot of + greek, daktylos = finger (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino demersale; distribuzione batimetrica 5 - 66 m (Ref. 32117), usually 5 - 16 m (Ref. 32117). Subtropical; 42°N - 18°N, 98°W - 71°E (Ref. 57343)
Western Atlantic: New York and along the coast to the western coast of Yucatán, Mexico (Ref. 57343). Some authors report this species as occurring throughout northern South America (Ref. 5217).
Length at first maturity / Size / Peso / Age
Maturità: Lm 19.0, range 17 - 21 cm
Max length : 33.0 cm TL maschio/sesso non determinato; (Ref. 5217); common length : 25.0 cm TL maschio/sesso non determinato; (Ref. 5217)
Occurs on sand or mud bottoms and on beaches, especially on the surf (Ref. 57343).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 23.3 - 27.9, mean 26.4 °C (based on 459 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00237 - 0.00700), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).
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Nutrients (Ref.
124155): Calcium = 166 [72, 461] mg/100g; Iron = 1.91 [0.82, 4.18] mg/100g; Protein = 20.1 [18.3, 21.9] %; Omega3 = 0.375 [0.180, 0.781] g/100g; Selenium = 47.3 [17.0, 122.9] μg/100g; VitaminA = 3.98 [1.05, 15.64] μg/100g; Zinc = 1.04 [0.62, 1.78] mg/100g (wet weight);