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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335); akroa: Named for Akroá, an ethnic group belonging to the Macro-Jê linguistic trunk, that lived in the area until the 19th century (Ref. 127992).

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

; süßwasser benthopelagisch. Tropical

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South America: Brazil.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 7.5 cm SL Männchen/unbestimmt; (Ref. 127992); 6.1 cm SL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

This species can be easily distinguished from its congeners by the following characters: presence of metallic golden-green, with 11-13 large light dark vertical bars in the flank; caudal fin translucent and has no dots; fewer number of pelvic fin rays; dorsal-fin origin through base of 8th or 9th anal fin ray; higher number of anterior rostral cephalic neuromasts; and, cylindrical and elongated urogenital papilla in males (Ref. 127992).

Known only from the type locality, in temporary pools of about 1.3 m deep. Commonly found co-existing with other annual fish species of the genus Hypsolebias. Maximum length based on type specimen, to be replaced with a better reference (Ref. 127992).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Nielsen, D. T. B., M. Martins, L. M. de Araujo, F. O. de Lira and A. Faour, 2018. Cynolebias akroa, a new species of annual fish (Cyprinodontiformes: Rivulidae) from the rio Preto, São Francisco basin, northeastern Brazil. aqua Int. J. Ichthyol. 23(4):113-120. (Ref. 127992)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

vom Aussterben bedroht (CR) (B1ab(v)+2ab(v)); Date assessed: 29 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00891 (0.00396 - 0.02008), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

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

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

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

Cynolebias akroa Nielsen, Martins, Araujo, Lira & Faour, 2018