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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 / depth range / distribution range
البيئة
بحري; نطاق العمق 0 - 50 m (Ref. 188). Tropical; 3°N - 4°S, 94°W - 89°W (Ref. 188)
Southeast Pacific: endemic to the Galapagos Islands.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 26.0 cm SL ذكر/ مختلط الجنس; (Ref. 188); common length : 18.0 cm SL ذكر/ مختلط الجنس; (Ref. 188)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 13 - 21; شوكة شرجية: 0; أشعه شرجية لينه: 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).
Forms schools.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | 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: Version 2024-1)
استخدامات بشرية
مصائد: مصائد تستهلك محلينا
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 14.5 - 23.7, mean 19.3 °C (based on 4 cells).
Phylogenetic diversity index (Ref.
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).
مستوى غذائي (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
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);
