Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
دريايي pelagic-oceanic; اقیانوس رو (Ref. 51243); تغييرات عمق 0 - ? m. Subtropical
Eastern Pacific: southern California, USA to Panama, including the Galapagos Islands; rare in northern Baja California, Mexico. Range extends to Ecuador (Ref. 36576).
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 48.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 2850); common length : 35.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 9306); بيشينه وزن گزارش شده: 223.25 g (Ref. 124487)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 12 - 15; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 11 - 13; مهره ها: 54 - 58. Body elongate; lower jaw very prolonged; upper jaw short, triangular, and without scales; lower branch of first gill arch with 26 to 32 gill rakers; fins lacking spines; pectoral fins long; caudal fin deeply forked, the lower lobe longer than the upper; anal fin with 10 to 13 rays; back dark blue; flanks and belly silvery white; edge of lower jaw red; upper lobe of caudal fin violet blue, its tip red (Ref. 55763). Branchiostegal rays: 13-15 (Ref. 36576).
Body shape (shape guide): elongated.
An oceanic species which occurs near surface. Adults form very big schools (Ref. 9306). Feed on small fishes and planktonic organisms (Ref. 9306). Oviparous, with planktonic larvae (Ref. 36576). Eggs are attached to floating objects via filaments (Ref. 36576). Found in markets of Panama (Ref. 9306).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; طعمه: occasionally
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (مرجع
123201): 15.2 - 26.4, mean 19.7 °C (based on 68 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00219 - 0.00722), b=2.97 (2.81 - 3.13), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (مرجع
69278): 4.0 ±0.65 se; based on food items.
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
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