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Clupeiformes (Herrings) >
Dussumieriidae (Round herrings)
Eponymy: Dr Peter James Palmer Whitehead (1930–1992) was a British biologist (BMNH), scholar, historian, and artist as well as a clupeoid specialist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; نطاق العمق 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.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL ذكر/ مختلط الجنس; (Ref. 91762)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 18 - 20; شوكة شرجية: 0; أشعه شرجية لينه: 12 - 13; فقرات: 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
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: ذو قيمة تاجرية عالية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.00490 (0.00226 - 0.01060), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.45 se; based on food items.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (K=0.7).
Prior r = 1.19, 95% CL = 0.79 - 1.79, Based on 3 data-limited 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);