Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة مرتبطة بالشعاب; غير مهاجرة; نطاق العمق 0 - 6 m (Ref. 86942). Subtropical; 35°N - 36°S, 18°E - 159°W
Indo-West Pacific: Red Sea and East Africa to Samoa, north to the Ryukyu Islands, south to northern Australia and New Caledonia. Migrated to the eastern part of the Mediterranean Sea via the Suez Canal.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 23.1, range 18 - ? cm
Max length : 45.0 cm TL ذكر/ مختلط الجنس; (Ref. 30573); common length : 30.0 cm TL ذكر/ مختلط الجنس; (Ref. 5450); العمر: 4 سنين (Ref. 126539)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 12 - 15; شوكة شرجية: 0; أشعه شرجية لينه: 10 - 12. Greatly prolonged, beak-like lower jaw; upper jaw short, triangular and without scales; preorbital ridge absent; total number of gill rakers on first gill arch 25-36; pectoral fins short, not reaching past nasal pit when folded forward; with 3-9 (usually 4-6) vertical bars on the sides. (Ref. 9843). Color bluish dorsally, silvery on sides. 36-41 predorsal scales. Lower lobe of caudal fin longer than upper lobe. Dorsal and anal fins located posteriorly.
Occur in coastal waters of high islands and continental shorelines; generally in areas rich in vegetation (Ref. 5213) and sand flats (Ref. 48635). Form schools. Adults feed mainly on seagrasses, to a lesser extent on green algae and diatoms (Ref. 9843). Breed in estuaries (Ref. 4164). Marketed fresh and dried salted (Ref. 5284, 9843); meat tasty (Ref. 637). Also caught with dragnets (Ref. 30573) and dipnets.
Collette, B.B. and J. Su, 1986. The halfbeaks (Pisces, Beloniformes, Hemiramphidae) of the Far East. Proc. Acad. Nat. Sci. Philadelphia 138(1):250-301. (Ref. 10943)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم; طعم: occasionally
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29.3, mean 28.5 °C (based on 3383 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00291 - 0.00496), b=3.07 (3.01 - 3.13), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.7 ±0.30 se; based on food items.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
Nutrients (Ref.
124155): Calcium = 61.2 [21.4, 168.3] mg/100g; Iron = 0.643 [0.265, 1.468] mg/100g; Protein = 18.8 [16.1, 21.2] %; Omega3 = 0.165 [0.067, 0.461] g/100g; Selenium = 12.5 [4.9, 32.5] μg/100g; VitaminA = 39.7 [9.5, 186.7] μg/100g; Zinc = 1.06 [0.61, 1.80] mg/100g (wet weight); based on
nutrient studies.
