Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مهاجرة بين الياه الملحه و الحلوة لكن ليس للتزاوج (Ref. 51243); نطاق العمق 5 - 100 m (Ref. 52753). Tropical; 40°N - 12°S, 47°E - 143°E
Indo-West Pacific.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 21.0 range ? - ? cm
Max length : 31.6 cm TL ذكر/ مختلط الجنس; (Ref. 121654)
الأشواك الظهرية (المجموع) : 9; الأشعة الظهرية الناعمة (المجموع) : 21 - 22; شوكة شرجية: 3; أشعه شرجية لينه: 17 - 18. This species is easily recognized by its long pelvic fin which fit into a groove along the midline of the belly when depressed. Scutes are present along its straight lateral line. Adult males have prolonged middle rays in the soft dorsal and anal fins. This species attains 25 cm in SL.
Adults are common in shallow coastal waters where they often swim near the surface. They feed mainly on shrimps, copepods, decapod crustaceans and small fish.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 29.2, mean 28.2 °C (based on 1522 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.01183 - 0.03689), b=2.87 (2.72 - 3.02), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.6 ±0.52 se; based on food items.
Generation time: 2.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
Nutrients (Ref.
124155): Calcium = 197 [92, 426] mg/100g; Iron = 1.79 [0.95, 3.80] mg/100g; Protein = 18.6 [17.3, 19.9] %; Omega3 = 0.247 [0.129, 0.485] g/100g; Selenium = 51 [23, 115] μg/100g; VitaminA = 14.4 [3.5, 52.1] μg/100g; Zinc = 1.14 [0.73, 1.81] mg/100g (wet weight);
