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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
Écologie
marin; saumâtre démersal; amphidrome (Ref. 51243); profondeur 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).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 142 cm TL mâle / non sexé; (Ref. 3479); common length : 80.0 cm TL mâle / non sexé; (Ref. 3479)
Épines dorsales (Total) : 9; Rayons mous dorsaux (Total) : 13 - 14; Épines anales: 2 - 3; Rayons mous anaux: 11 - 12. Golden olive in color, darker above, with faint dusky lines along body; fins yellowish (Ref. 5492).
Body shape (shape guide): elongated.
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).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; pêche sportive: oui
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 23.7 - 28.1, mean 26.3 °C (based on 82 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00268 - 0.01179), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (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.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (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.