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Atheriniformes (Silversides) >
Atherinopsidae (Neotropical silversides) > Atherinopsinae
Etymology: Odontesthes: Greek, odous = teeth + Greek,esthes = suit, something used to wrap (Ref. 45335); piquava: Specific name joins part of the names of the lagoas Pinguela, Quadros and Itapeva, along the area of distribution of this species.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten pelagiska. Subtropical
South America: interconnected lakes of the rio Tramandai drainage, southern Brazil.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 26.3 cm SL hane/ej könsbestämd; (Ref. 116661)
Taggstrålar i ryggfenan (totalt) : 4 - 6; Mjukstrålar i ryggfenan (totalt) : 7 - 9; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 16 - 20; Ryggkotor: 47 - 49. Scales in lateral series above lateral band 47-53; and predorsal scales 24-26 (Ref. 47314). Differs from O. bicudo and O. ledae by the following characters: thin fragile premaxilla, not projected anteriorly in its medialmost portion; ventral head profile usually split into two straight sections, forming an angle at the retroarticular joint; snout short, as long as wide in dorsal view; mouth slightly upturned in lateral view and positioned above a horizontal line crossing near the center of eye and above a horizontal line crossing near the middle of head depth (Ref. 47314).
Body shape (shape guide): elongated.
Occurs exclusively in freshwater (Ref. 47314).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00550 (0.00238 - 0.01266), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.6 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (30 of 100). 🛈 |