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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: geayi: The name is dedicated to M. Geay, who first discovered it (Ref. 27188).
Eponymy: Martin François Geay (1859–1910) was a pharmacist, natural history collector, and traveller. [...] (Ref. 128868), visit book page.
More on author: Vaillant.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.; غير مهاجر. Tropical; 24°C - 28°C (Ref. 2060)
South America: Atlantic coastal rivers and Amazon River basin.
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 35237); common length : 4.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 27139)
Calm and timid. Typical species of wooded rivers where the current is slow and the bottom is covered with dead leaves. Sexual differentiation is possible at the age of two months (Ref. 27188). Not a seasonal killifish (Ref. 27139). Difficult to breed in the aquarium. Eggs measure 1.6 mm in diameter (Ref. 35237).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Eggs are of 1.6 mm diameter.
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی; آكواريوم: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
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=0.00912 (0.00521 - 0.01596), b=3.14 (2.98 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
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).