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> Atheriniformes (Silversides) > Atherinopsidae (Neotropical silversides) > Atherinopsinae
Etymology: Odontesthes: Greek, odous = teeth + Greek,esthes = suit, something used to wrap (Ref. 45335); bicudo: From Portugues word meaning pointed, with a beak, and alludes to the snout shape of this species..

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

; süßwasser pelagisch. Subtropical

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South America: group of partially isolated freshwater lakes northeast of the city of Osorio, Rio Grande do Sul, Brazil.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 22.2 cm SL Männchen/unbestimmt; (Ref. 116661)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 4 - 7; Rückenflossenweichstrahlen (insgesamt): 8-10; Afterflossenstacheln 1; Afterflossenweichstrahlen: 15 - 18; Wirbelzahl: 47 - 49. Scales in lateral line series above lateral band 48-52; predorsal scales 23-26. Specimens over 10.0 cm SL are recognized by the elongate head, small eyes, narrow interorbital, long snout and thick pointed premaxilla. Easily distinguished from O. piquava and O. mirinensis by several head shape characters. Ventral head profile nearly straight, sometimes with a slight convexity at the retroarticular joint; eyes clearly smaller than snout length; reticulate pigmented pattern in the border of check scales and body scales above and below lateral band (Ref. 47314).

Occurs in exclusively freshwater lakes of the coastal laguna system (Ref. 47314).

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

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Wingert, J.M., J. Ferrer and L.R. Malabarba, 2017. Review of the Odontesthes perugiae species group from Río de La Plata drainage, with the description of a new species (Atherinomorpha: Atherinopsidae). Zootaxa 4250(6):501-528. (Ref. 116661)

IUCN Rote Liste Status (Ref. 130435)

stark gefährdet (EN) (B1ab(iii)+2ab(iii)); Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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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=0.00603 (0.00275 - 0.01321), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.3 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 (17 of 100).

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Odontesthes bicudo Malabarba & Dyer, 2002