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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Gila: A river flowing from Southwest New Mexico westward across south Arizona into the Colorado River.
Eponymy: Although the etymology is not explained; Cope was unsure of the ‘truer affinities’ of the species and mentions several genera to which it might belong; so perhaps its taxonomic ambiguity was a Pandora’s box: i. [...] (Ref. 128868), visit book page.
More on author: Cope.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Temperate; 42°N - 31°N
North America: Upper Rio Grande and Pecos River systems in Colorado and New Mexico, USA; isolated populations in Davis Mountains (Pecos River system) in Texas, USA. Introduced into headwaters of Canadian River (Red River drainage) in New Mexico.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 18.0 cm TL ذكر/ مختلط الجنس; (Ref. 86798)
الأشعة الظهرية الناعمة (المجموع) : 8; أشعه شرجية لينه: 8. Gila pandora can be distinguished by the following characters: lateral line with 51-67 scales; dorsal fin with 8 rays; anal fin with 8 rays; 1st gill arch with 6-10 rakers; pharyngeal teeth 2,5-4,2; slightly subterminal mouth, extending to front of large eye; rounded, fairly blunt snout; fairly deep, compressed body; deep caudal peduncle; olive-gray above; 2 dusky stripes along silver sides (darkest on large individual), upper one extending to caudal fin, lower one to anal fin; and dusky to black caudal spot. Breeding individuals with red-orange (brightest in males) anal, dorsal and paired fin bases and side of head; orange lower side (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults inhabit flowing pools of headwaters, creeks and small rivers. They occur usually near brush (Ref. 5723, 86798). They are mid-water carnivores feeding on zooplankton, aquatic and terrestrial insects, crustaceans, juvenile fish, and a limited amount of detritus (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
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مؤشر التنوع الشُعبي الوراثي (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00451 - 0.02922), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 2.3 ±0.2 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
ضعف الصيد (Ref.
59153): Low vulnerability (10 of 100).
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