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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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico. Tropical
South America: Andean tributaries of Paraná River basin in northwestern Argentina.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 6.6 cm SL maschio/sesso non determinato; (Ref. 37059)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 2; Raggi dorsali molli (totale) : 8; Spine anali: 2; Raggi anali molli: 7; Vertebre: 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).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 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). |
Livello trofico (Fonte Biblio. 69278) |
3.5 ±0.3 se; based on size and trophs of closest relatives |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |