Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser; brackwasser demersal; tiefenbereich 10 - 70 m (Ref. 10799). Tropical; 21°N - 18°S, 27°W - 14°E (Ref. 57343)
Eastern Atlantic: Senegal to Angola (Ref. 57402). Also reported from Mauritania (Ref. 10799) and Cape Verde (Ref. 27000). Reported from Cuba based on a single specimen; no other specimens taken from the western Atlantic (Ref. 57343).
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 15.0 range ? - 17 cm
Max length : 35.0 cm TL Männchen/unbestimmt; (Ref. 57402); common length : 25.0 cm TL Männchen/unbestimmt; (Ref. 3659)
Rückenflossenstacheln (insgesamt) : 9; Rückenflossenweichstrahlen (insgesamt) : 14 - 18; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 28 - 30. Diagnosis: detached pectoral filaments very long, exceeding body length; base of anal fin much longer than base of 2nd dorsal fin; body moderately elongate and compressed, its height comprised 3.0-3.4 in standard length; snout very short, blunt and prominent; mouth inferior; maxillary bone strongly widened at its end, reaching largely past eye; 2 widely separated dorsal fins, 1st with 8 flexible spines, 2nd with 1 spine and 14-18 soft rays; anal fin base much longer than 2nd dorsal fin base; pectoral fin inserted very low on body; threadlike filaments, 5 in number, 4 of them longer than total length of fish; scales ctenoid; head scaly (Ref. 57402).
Coloration: body uniformly silvery, greyish on back, shading to whitish ventrally; fins tinged with yellow (Ref. 57402).
Body shape (shape guide): fusiform / normal.
Adults occur over sandy (Ref. 2683) and muddy bottoms in shallow waters (Ref. 57343), frequently in brackish waters (Ref. 57343, 57402) and estuaries (Ref. 57402). Carnivorous (Ref. 57402), They feed on fish and shrimps (Ref. 28587).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: hoch kommerziell
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Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 20.2 - 27.9, mean 25.8 °C (based on 70 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00236 - 0.00672), b=3.13 (2.98 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.6 ±0.57 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=0.72).
Anfälligkeit der Fischerei (Ref.
59153): Low to moderate vulnerability (31 of 100).
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Klimaanfälligkeit (Ref.
125649): High to very high vulnerability (75 of 100).
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Nährstoffe (Ref.
124155): Calcium = 194 [95, 369] mg/100g; Iron = 1.34 [0.67, 2.39] mg/100g; Protein = 19.5 [18.0, 21.1] %; Omega3 = 0.274 [0.169, 0.428] g/100g; Selenium = 64.3 [33.4, 126.3] μg/100g; VitaminA = 11.4 [5.1, 25.3] μg/100g; Zinc = 1.44 [1.00, 2.11] mg/100g (wet weight);
