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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Opisthonema: Greek, opisthe = behind + Greek,nema = filament (Ref. 45335).
Eponymy: Father Tomás de Berlanga (1487–1551) was the fourth Bishop of Panama (1534). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
دريايي pelagic-neritic; تغييرات عمق 0 - 50 m (Ref. 188). Tropical; 3°N - 4°S, 94°W - 89°W (Ref. 188)
Southeast Pacific: endemic to the Galapagos Islands.
Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 26.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 188); common length : 18.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 188)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 13 - 21; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 15 - 17. The filamentous last dorsal fin ray distinguishes this species from members of any other eastern Pacific clupeoid genus. Lower gill rakers 50 to 87 in fishes over 14 cm standard length (intermediate between O. medirastre with 41 to 69 and O. libertate with 63 to 110, but neither of these occur in the Galapagos Islands).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Forms schools.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: معاش ماهیگیری
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (مرجع
123201): 14.5 - 23.7, mean 19.3 °C (based on 4 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
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Nutrients (Ref.
124155): Calcium = 175 [97, 371] mg/100g; Iron = 1.71 [0.94, 3.00] mg/100g; Protein = 19.2 [18.0, 20.4] %; Omega3 = 0.442 [0.231, 0.860] g/100g; Selenium = 36.6 [17.6, 89.3] μg/100g; VitaminA = 43.8 [14.7, 136.6] μg/100g; Zinc = 1.05 [0.70, 1.62] mg/100g (wet weight);