Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς); εύρος βάθους 9 - 125 m (Ref. 9895). Tropical; 32°N - 5°S, 47°E - 134°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.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 20.1  range ? - ? cm
Max length : 40.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 11441); common length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3391)
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 116 - 130; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 85 - 98; Σπόνδυλοι: 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).
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 28.7, mean 27.7 °C (based on 550 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00288 - 0.00381), b=3.12 (3.08 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.1 se; based on diet studies.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=0.24-0.98; tm=2;).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
Nutrients (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.