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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: planaltinus: Derived from the Planaltina (from the high plains), a Portuguese name for the county where the type locality is located..
More on authors: Costa & Brasil.

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

; zoet water benthopelagisch. Tropical

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South America: known only from the type locality in the Cocal River floodplains, Maranhão River drainage, upper Tocantins River basin in Brazil.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 3.1 cm SL mannelijk / geslacht onbekend; (Ref. 75171); 2.8 cm SL (female)

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Dorsale zachte stralen (totaal) : 8 - 10; Anale zachte stralen: 12 - 14. Belongs to the subgenus Melanorivulus by having all the subgeneric synapomorphic characters: short and pointed dorsal portion of preopercle; melanophores concentrated on opercular region to form oblique stripes; melanophores concentrated on margins of unpaired fins in females; black spot on upper portion of caudal-fin base not close to fin margin in females. Differs from all other species of Melanorivulus by the following characters: lack or extreme reduction of pelvic fins and pelvic girdle; vomerine teeth 5-7; and basihyal width about 70% basihyal length (Ref. 75171).

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Hoofdreferentie Upload your references | Referenties | Coördinator : Costa, Wilson J.E.M. | Medewerkers

Costa, W.J.E.M. and G.C. Brasil, 2008. A new pelvicless killifish species of the genus Rivulus, subgenus Melanorivulus (Cyprinodontiformes: Rivulidae), from the upper Tocantins River Basin, Central Brazil. Copeia 2008(1):82-85. (Ref. 75171)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Onvoldoende gegevens (DD) ; Date assessed: 18 May 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 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).

Trofisch niveau (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

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

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Melanorivulus planaltinus (Costa & Brasil, 2008)