Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino; salmastro demersale; distribuzione batimetrica 9 - 125 m (Ref. 9895). Tropical; 31°N - 13°S, 47°E - 143°E
Indo-West Pacific: Persian Gulf to Sri Lanka and Indonesia, north to southern Japan. Reported occurrence of this species from Niue (Ref. 3804) should be verified.
Lunghezza alla prima maturità / Dimensione / Peso / Età
Maturità: Lm 20.1  range ? - ? cm
Max length : 40.0 cm TL maschio/sesso non determinato; (Ref. 11441); common length : 30.0 cm TL maschio/sesso non determinato; (Ref. 3391)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 116 - 130; Spine anali: 0; Raggi anali molli: 85 - 98; Vertebre: 50 - 57. Eyed side uniform brown, with a dark patch on gill cover, blind side white. Body elongate, its depth 20 to 26% SL. Eyes with a small scaly interorbital space. Snout obtusely pointed. Rostral hook short. Corner of mouth reaching posteriorly to or beyond lower of eye, about midway between gill opening and tip of snout. Caudal-fin rays usually 10. Midlateral-line scales 56 to 70. Scales large, ctenoid on eyed side of body. Cycloid (smooth) on blind side. Scale rows between lateral lines on eyed side of body 7 to 9 (Ref 9895).
Body shape (shape guide): elongated.
Inhabits muddy and sandy bottoms of the continental shelf down to 125 m. Enters estuaries and tidal rivers (Ref. 1479). Feeds predominantly on bottom-living invertebrates. Marketed mostly fresh and frozen; also dried-salted (Ref. 9895).
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
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Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 23.5 - 28.7, mean 27.7 °C (based on 550 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00282 - 0.00372), b=3.12 (3.08 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.5 ±0.1 se; based on diet studies.
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.24-0.98; tm=2;).
Vulnerabilità della pesca (Ref.
59153): Moderate vulnerability (37 of 100).
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Nutrienti (Ref.
124155): Calcium = 149 [70, 257] mg/100g; Iron = 0.909 [0.427, 1.502] mg/100g; Protein = 18.1 [15.9, 20.2] %; Omega3 = 0.12 [0.05, 0.26] g/100g; Selenium = 63.3 [32.5, 122.6] μg/100g; VitaminA = 20.5 [7.8, 50.7] μg/100g; Zinc = 1.33 [0.94, 1.82] mg/100g (wet weight); based on
nutrient studies.