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Clupeiformes (Herrings) >
Pristigasteridae (Pristigasterids)
Etymology: Opisthopterus: Greek, opisthe = behind + Greek, pteron = wing. Fin (Ref. 45335).
Eponymy: Captain John Melmoth Dow (1827–1892) was an American naturalist and explorer, in addition to being a ship’s master and shipping agent. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة; نطاق العمق 0 - 50 m (Ref. 188). Tropical; 32°N - 5°S, 116°W - 77°W (Ref. 188)
Eastern Pacific: Rio Muerto in the Gulf of California southward to Gulf of Guayaquil, Peru.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 23.0 cm TL ذكر/ مختلط الجنس; (Ref. 114986); common length : 18.0 cm SL ذكر/ مختلط الجنس; (Ref. 9336)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0; أشعه شرجية لينه: 55 - 62. Belly with about 29 scutes. Lower jaw projecting, its mouth pointing obliquely upward; no hypo-maxilla. Pectoral fin a little longer than head; dorsal fin origin nearer to caudal fin base than to vertical from pectoral fin base by 1 and 1/2 eye diameters (or behind midpoint of body by 2 and 1/4 eye diameter); anal fin long, its origin much nearer to snout tip than to caudal fin base.
Occurs in coastal waters, perhaps entering brackish water (Ref. 9336). Feeds mainly on small fishes (Ref. 9336).
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 2024-2)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 28.5, mean 26.8 °C (based on 42 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00349 - 0.00994), b=3.00 (2.86 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.2 ±0.73 se; based on food items.
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 (13 of 100).