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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: Günther.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς). Tropical; 29°N - 25°S, 81°W - 34°W (Ref. 57343)
Western Atlantic: southern Florida to Santos, Brazil. Not occurring in the Gulf of Mexico and western Caribbean Sea.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 46.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 7251); common length : 25.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3796); μεγ. δημοσιευμένο βάρος: 620.00 g (Ref. 40637)
Ραχιαίες άκανθες (συνολικά) : 9; Μαλακές ραχιαίες ακτίνες (συνολικά) : 12; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 13.
Occurs along sandy or muddy shores (Ref. 7251). Not of great commercial importance (Ref. 26938).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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)
Threat to humans
Harmless
Human uses
αλιεία: περιορισμένης εμπορικότητας
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 26.1 - 28, mean 27.3 °C (based on 118 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00362 - 0.01099), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).