Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي; تغييرات عمق 0 - 200 m (Ref. 5286). Subtropical; 23°S - 35°S, 12°E - 31°E
Southeastern Atlantic to Western Indian Ocean: southern Africa (Walvis Bay to Durban) to southern Angola.
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 91762)
خارهاي باله پشتي (کل): 0; شعاع نرم باله پشتي (کل): 18-20; خارهاي باله مخرجي 0; شعاع نرم باله مخرجي: 12 - 13; مهره ها: 50. Numerous branchiostegal rays (11 to 15); without pre-and post pelvic scutes; W-shaped pelvic scute; rectangular pre-maxillae; pelvic fins less advanced and the isthmus with lateral flanges or `shoulders' as compared to Dussumieria.
Mainly an inshore species. Often forms shoals together with pilchard (Ref. 27121). Feeds on larger types of zooplankton (Ref. 27121).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
DiBattista, J.D., J.E. Randall and B.W. Bowen, 2012. Review of the round herrings of the genus Etrumeus (Clupeidae: Dussumieriinae) of Africa, with descriptions of two new species. Cybium 36(3):447-460. (Ref. 91762)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: با ارزش تجاري بالا
اطلاعات بيشتر
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 11.7 - 20.2, mean 15.6 °C (based on 31 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5098 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00196 - 0.01118), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.45 se; based on food items.
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (K=0.7).
Prior r = 1.19, 95% CL = 0.79 - 1.79, Based on 3 stock assessments.
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (40 of 100).
Nutrients (Ref.
124155): Calcium = 187 [84, 329] mg/100g; Iron = 1.78 [0.90, 3.49] mg/100g; Protein = 20.6 [19.3, 21.9] %; Omega3 = 0.377 [0.153, 0.756] g/100g; Selenium = 31.3 [15.0, 69.2] μg/100g; VitaminA = 14.2 [3.9, 45.3] μg/100g; Zinc = 0.983 [0.661, 1.511] mg/100g (wet weight);