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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: amanan: Named for the Amanã Sustainable Development Reserve, state of Amazonas, Brazil..
More on authors: Costa & Lazzarotto.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce benthopélagique; profondeur 0 - 1 m (Ref. 78702). Tropical

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South America: Brazil.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 2.8 cm SL mâle / non sexé; (Ref. 78702); 2.8 cm SL (female)

Collected from a flooded forest area adjacent to the igarapédo Baré and the channel connecting it to lago da Beleza, an oxbow lake in the floodplains of the igarapé Baré. The area is subjected to average water level variations between 10-12 m, that environmental conditions vary enormously. Sampling was done in November and January, where water was black with high transparency, with substrate composed by at about 0.2 to

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

Costa, W.J.E.M. and H. Lazzarotto, 2008. Rivulus amanan, a new killifish from the Japurá river drainage, Amazonas river basin, Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 19(2):129-134. (Ref. 78702)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

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=0.00977 (0.00315 - 0.03034), b=3.03 (2.78 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.1 ±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).

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Anablepsoides amanan (Costa & Lazzarotto, 2008)