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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Eponymy: Dr Alfredo Borelli (1857–1943) was an Italian arachnologist, entomologist and zoologist who worked at the Turin Museum (1881–1913) after completing his studies at the university there. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Andean tributaries of Paraná River basin in northwestern Argentina.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 6.6 cm SL hane/ej könsbestämd; (Ref. 37059)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2; Mjukstrålar i ryggfenan (totalt) : 8; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 7; Ryggkotor: 37. A generalized Characidium with the isthmus scaly and the breast rounded, iii external pectoral rays and i external pelvic ray, the eye only slightly oblique, the lateral line complete and the adipose fin present; zebra-like color pattern; characterized by only ii,8 dorsal rays and few (5/5) teeth on both jaws, essentially conical, with apex of the mandibulary teeth somewhat enlarged, triangular, and probably no second mandibulary row and no pterygoid teeth. 'Spines' refer to unbranched rays.
Body shape (shape guide): fusiform / normal; Cross section: circular.
A limitroph species (Ref. 38397).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Buckup, P.A., 1993. Review of the characidiin fishes (Teleostei: Characiformes), with descriptions of four new genera and ten new species. Ichthyol. Explor. Freshwat. 4(2):97-154. (Ref. 13683)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Internet-källor
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=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.3 se; based on size and trophs of closest relatives |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |