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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 / depth range / distribution range Ökologie

seewasser demersal; tiefenbereich 5 - 66 m (Ref. 32117), usually 5 - 16 m (Ref. 32117). Subtropical; 42°N - 18°N, 98°W - 71°E (Ref. 57343)

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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 / Gewicht / Alter

Maturity: L_m 19.0, range 17 - 21 cm
Max length : 33.0 cm TL Männchen/unbestimmt; (Ref. 5217); common length : 25.0 cm TL Männchen/unbestimmt; (Ref. 5217)

Occurs on sand or mud bottoms and on beaches, especially on the surf (Ref. 57343).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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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 Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 06 January 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: weniger kommerziell

FAO - Publication: search | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 23.3 - 27.9, mean 26.4 °C (based on 459 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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 (Ref. 69278): 3.6 ±0.5 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (tm<1).

Fishing Vulnerability (Ref. 59153): Low vulnerability (23 of 100).

Preiskategorie (Ref. 80766): Very high.

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);

Polydactylus octonemus (Girard, 1858)