رده بندی / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Petitella: French, petit = small, diminituve (Ref. 45335).
More on authors: Géry & Boutière.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين سطح زی; pH range: 5.5 - 7.0; dH range: ? - 12. Tropical; 22°C - 26°C (Ref. 1672)
South America: upper Amazon River basin in Peru; Purus, Negro, and Madeira River basins.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 3.9 cm SL جنس نر / بدون خواص جنسي; (Ref. 38376)
This species is distinguished from its congeners by the following characters: maxillary long and wide (vs. very short and round in bleheri and short in rhodostoma); premaxillary teeth in a single row (vs. two in bleheri, rhodostoma); dentary with 9-11 teeth with 5 cuspids (vs. 6, with 6-7 cuspids, followed by 1 or 2 tricuspidate ones in bleheri, and 5-6 with 5 cuspids, usually followed by 4 conical teeth in rhodostoma); black spot on lower posterior border of caudal peduncle absent (vs. present in bleheri, rhodostoma) (Ref. 127081)
Feeds on worms, small crustaceans and plant matter (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm (Ref. 51539).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
آكواريوم: با ارزش تجاري بالا
اطلاعات بيشتر
اسامي عاممترادفسوخت و سازشکارچیانسم شناسي بوم زيستيتولید مثلبلوغتخم ریزیSpawning aggregationFecundityتخم هانمو تخم
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00548 - 0.02637), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.32 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 (10 of 100).
