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Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeonella: Latin, clupea = sardine, derived from Clupeus = shield; diminutive (Ref. 45335).
More on author: Borodin.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; مياه مخلوطة محيطي; نطاق العمق 0 - 78 m (Ref. 188). Temperate; 44°N - 35°N, 46°E - 54°E (Ref. 188)
Former USSR and Asia: central and southern parts of the Caspian Sea.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 16.5 cm SL ذكر/ مختلط الجنس; (Ref. 593); common length : 12.0 cm SL ذكر/ مختلط الجنس; (Ref. 188); أعلا وزن تم نشرة: 26.00 g (Ref. 593)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 13 - 21; شوكة شرجية: 0; أشعه شرجية لينه: 12 - 23. Body slender; head short and wide; belly rounded, with 23 to 31 scutes. Pectoral fin tips rounded. Last 2 anal fin rays enlarged; Pterotic bulla absent. No notch at the center of the upper jaw. Females slightly larger than males.
Occurs mainly in the open sea, occasionally approaching the shore and sometimes forming large schools. Rises to the surface in the spring months, but descending to as much as 78 m in late summer (apparently rising again in October-November, but descending once more in winter). Breeds intermittently from end of April to November, mainly in July, in the open sea.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00239 - 0.01051), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.0 ±0.00 se; based on food items.
Generation time: 3.9 ( 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 (Fec=9,986-53,430).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
Nutrients (Ref.
124155): Calcium = 25.1 [0.9, 263.0] mg/100g; Iron = 0.361 [0.025, 4.277] mg/100g; Protein = 18.5 [15.7, 21.3] %; Omega3 = 0.771 [0.268, 2.210] g/100g; Selenium = 3.37 [0.24, 44.43] μg/100g; VitaminA = 22.8 [2.9, 169.8] μg/100g; Zinc = 0.607 [0.055, 6.821] mg/100g (wet weight);
