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分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> 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.
South America: Atlantic coastal rivers and Amazon River basin.
サイズ / 重さ / 年齢
成熟: Lm? range ? - ? cm Max length : 5.0 cm TL オス/雌雄の選別がない; (Ref. 35237); common length : 4.0 cm TL オス/雌雄の選別がない; (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).
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のレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
