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Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
Etymology: Leptomelanosoma: Greek, leptos = thin + Greek, melanos = black + Greek, soma = body.
More on author: Shaw.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water demersaal; amfidroom (Ref. 51243); diepte 55 - 100 m (Ref. 9685). Tropical; 26°N - 10°S, 62°E - 152°E (Ref. 57343)
Indo-West Pacific: known with certainty from Pakistan to Papua New Guinea. Reports from the east coast of Africa need to be verified (Ref. 57343).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 142 cm TL mannelijk / geslacht onbekend; (Ref. 3479); common length : 80.0 cm TL mannelijk / geslacht onbekend; (Ref. 3479)
Dorsale stekels (totaal) : 9; Dorsale zachte stralen (totaal) : 13 - 14; Anale stekels: 2 - 3; Anale zachte stralen: 11 - 12. Golden olive in color, darker above, with faint dusky lines along body; fins yellowish (Ref. 5492).
Occurs over shallow muddy and sandy bottoms of the continental shelf), mainly near estuaries and sometimes entering rivers (Ref. 57343). Feeds mainly on small benthic crustaceans, especially prawns and crabs, and small fishes. Percentage of fishes eaten increases with size. Utilized fresh, dried or salted and frozen; eaten steamed, pan-fried, broiled and baked (Ref. 9987).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Motomura, H. and Y. Iwatsuki, 2001. A new genus, Leptomelanosoma, for the polynemid fish previously known as Polydactylus indicus (Shaw, 1804) and a redescription of the species. Ichthyol. Res. 48(1):13-21. (Ref. 45350)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; sportvis: ja
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Estimates based on models
Preferred temperature (Ref.
123201): 23.7 - 28.1, mean 26.3 °C (based on 82 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00269 - 0.01173), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.9 ±0.67 se; based on food items.
Generation time: 5.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.19).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
Nutrients (Ref.
124155): Calcium = 44.4 [16.8, 164.2] mg/100g; Iron = 0.51 [0.19, 1.46] mg/100g; Protein = 19.8 [18.0, 21.4] %; Omega3 = 0.143 [0.081, 0.241] g/100g; Selenium = 83.8 [45.1, 159.8] μg/100g; VitaminA = 9.34 [4.42, 19.15] μg/100g; Zinc = 1.37 [0.51, 2.69] mg/100g (wet weight); based on
nutrient studies.