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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Cnesterodon: Greek, knester, -eros = scraper (Ref. 45335).
More on author: Jenyns.

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

; süßwasser; brackwasser benthopelagisch; pH range: 7.5 - 82.0; dH range: 10 - 30; standorttreu. Subtropical; 17°C - 21°C (Ref. 13614)

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South America: lower Uruguay, Laguna dos Patos, Negro, and Salado River basins; western drainages of Argentina and small coastal drainages of Uruguay and Argentina.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 3.6 cm SL Männchen/unbestimmt; (Ref. 50894); 4.5 cm TL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 8; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 10.

Viviparous (Ref. 205).

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

Male anal fin modified into an elongate genitallium (Ref. 205). Distinct pairing (Ref. 205).

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Lucinda, P.H.F., 2003. Poeciliidae (Livebearers). p. 555-581. 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, Brazil. (Ref. 50894)

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

nicht bedroht (LC) ; Date assessed: 09 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell; Aquarium: Kommerziell

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01023 (0.00585 - 0.01791), b=3.17 (3.02 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±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).

Preiskategorie (Ref. 80766): Unknown.

Cnesterodon decemmaculatus (Jenyns, 1842)