رده بندی / Names
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Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Serrasalminae
Etymology: Pygocentrus: Greek, pyge = rump + Greek, kentron = sting (Ref. 45335).
Issue
The genus allocation is uncertain, it could be in Serrasalmus Lacepède, 1803 according to Nico 2001. Please send references or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين سطح زی. Tropical
South America: widely distributed in the Orinoco River basin lowlands and tributaries.
Length at first maturity / Size / Weight / سن
Maturity: Lm ?, range 13 - ? cm
Max length : 27.9 cm TL جنس نر / بدون خواص جنسي; (Ref. 39031); بيشينه وزن گزارش شده: 560.00 g (Ref. 6870)
Has powerful dentition that can inflict serious bites (Ref. 4537).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Fink, W.L., 1993. Revision of the piranha genus Pygocentrus. Copeia 1993(3):665-687. (Ref. 27142)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Traumatogenic
استفاده انسانی
ماهي ها ي سرگرم كننده: بله
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00841 - 0.03761), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.76 se; based on food items.
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
