Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; غير مهاجرة. Tropical; 22°C - 26°C (Ref. 2060)
South America: Paraguay, lower Paraná and Uruguay River basins.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 3.5 cm TL ذكر/ مختلط الجنس; (Ref. 27139)
الأشعة الظهرية الناعمة (المجموع) : 8 - 10; أشعه شرجية لينه: 13 - 14; فقرات: 29 - 30. Sides of body and unpaired fins of male with transverse rows of red spots. A whitish zone along entire caudal fin margin of male. Total caudal fin rays 27-29. Caudal fin elliptical, elongate longitudinally. Body depth about 20% SL (19.3-21.9% SL) (Ref 26657).
Not a seasonal killifish. Difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. 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. 36579)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
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=0.00661 (0.00311 - 0.01404), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
