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Characiformes (Characins) >
Curimatidae (Toothless characins)
Etymology: Cyphocharax: Greek, kyphos = curved, humpback + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Steindachner.
Issue
See Vari (1992:56) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical; 22°C - 29°C (Ref. 36880)
South America: Magdalena and Atrato River basins, rivers of Pacific versant of Panama, and southwestern Costa Rica.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 27.0 cm SL ذكر/ مختلط الجنس; (Ref. 125980); أعلا وزن تم نشرة: 290.00 g (Ref. 125980)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 11 - 12; شوكة شرجية: 0; أشعه شرجية لينه: 9 - 10; فقرات: 31 - 33. Differs from other Cyphocharax (except aspilos) by the absence of multiple series of longitudinal patterns of dark pigmentation on body, the absence of a large spot of pigmentation on the body, the absence of a large spot of pigmentation on the dorsal fin, the absence of a rotund spot or longitudinal stripe of dark pigmentation on the midlateral surface of the caudal peduncle, the number of lateral line scales, and the depth of caudal peduncle of 0.13-0.15 of SL (Ref. 11334).
Inhabits rivers or creeks of moderate current between 20 and 10 m elevation. Abundant in shallow waters over sand or mud bottoms where it feeds on detritus, diatoms and algae (Ref. 36880). Found in swamps or marshes and rivers (Ref. 26543). Feeds exclusively on detritus (Ref. 26543).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Vari, R.P., 1992. Systematics of the neotropical characiform genus Cyphocharax Fowler (Pisces, Ostariophysi). Smithson. Contrib. Zool. 529:137 p. (Ref. 11334)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01320 - 0.03627), b=3.00 (2.87 - 3.13), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.0 ±0.00 se; based on food items.
Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).
