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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: Gill.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal; rango de profundidad 10 - 60 m (Ref. 91172). Subtropical; 34°N - 7°S, 118°W - 77°W (Ref. 57343)
Eastern Pacific: Los Angeles Harbor in California, USA to off Paita, Peru; rare north of Baja California, Mexico.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 50.0 cm TL macho / no sexado; (Ref. 55763); common length : 25.0 cm TL macho / no sexado; (Ref. 55763)
Espinas dorsales (total) : 9; Radios blandos dorsales (total) : 11 - 13; Espinas anales: 3; Radios blandos anales: 12 - 14. Body and fins yellowish; no stripes or spots. Anterior parts of lower jaw with villiform teeth extending onto lateral surface, adjacent part of lip poorly developed in large specimens. Vomerine teeth present. Maxilla covered with small deciduous scales. Pectoral filaments 9. Lateral line unbranched, extending to upper end of caudal fin lobe. Swim bladder absent (Ref. 45049).
Body shape (shape guide): fusiform / normal.
Inhabits coastal waters and estuaries, on sand and mud bottom (Ref. 9332). Also found along sandy beaches (Ref. 57343). Esteemed food fish in the tropical eastern Pacific (Ref. 57343).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Motomura, H., S. Kimura and Y. Iwatsuki, 2002. Revision of the threadfin genus Polydactylus (Perciformes, Polynemidae) from the eastern Pacific Ocean. Ichthyol. Res. 49(4):358-366. (Ref. 45049)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: escaso valor comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00661 (0.00386 - 0.01130), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.3 ±0.51 se; based on food items. |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |
Categoría de precios (Ref. 80766) |
Very high.
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