Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; مهاجرة بين الياه الملحه و الحلوة لكن ليس للتزاوج (Ref. 51243); نطاق العمق 1 - 40 m (Ref. 3424). Tropical
Indo-West Pacific: coasts of India and Sri Lanka to China; south to Australia.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 18.1  range ? - ? cm
Max length : 18.2 cm FL ذكر/ مختلط الجنس; (Ref. 46605); common length : 11.0 cm TL ذكر/ مختلط الجنس; (Ref. 3424)
الأشواك الظهرية (المجموع) : 8; الأشعة الظهرية الناعمة (المجموع) : 16; شوكة شرجية: 3; أشعه شرجية لينه: 14. Body silvery; live or fresh specimens with a golden gleam. Head naked; with nuchal spine. Protracted mouth pointing downward. Scales minute. 2nd dorsal spine less than 1/3 of body depth.
Lives in shallow waters down to depths of about 40 m, predominantly near the bottom, found in schools. Feeds mainly on diatoms, copepods, Lucifer, nematodes and polychaetes (Ref. 3424).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Kühlmorgen-Hille, G., 1974. Leiognathidae. In W. Fischer and P.J.P. Whitehead (eds.) FAO species identification sheets for fishery purposes. Eastern Indian Ocean (fishing area 57) and Western Central Pacific (fishing area 71). Rome, FAO. Vol. II, pag. var. (Ref. 2108)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 29.2, mean 28.2 °C (based on 1182 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00799 - 0.02176), b=2.99 (2.84 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.0 ±0.33 se; based on food items.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (K=0.90-1.75).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).