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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 Écologie

; eau douce benthopélagique; non migrateur. Tropical; 24°C - 28°C (Ref. 2060)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

South America: Atlantic coastal rivers and Amazon River basin.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 5.0 cm TL mâle / non sexé; (Ref. 35237); common length : 4.0 cm TL mâle / non sexé; (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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Eggs are of 1.6 mm diameter.

Référence principale Upload your references | Références | Coordinateur : Costa, Wilson J.E.M. | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

Préoccupation mineure (LC) ; Date assessed: 14 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: sans intérêt; Aquarium: Commercial

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Niveau trophique (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Laimosemion geayi (Vaillant, 1899)