>
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335).
More on authors: Costa & Brasil.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; pH range: 5.0 - 6.5; ej vandrande. High altitude; 15°C - 25°C (Ref. 13614)
South America: Middle São Francisco River basin in Brazil.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.5 cm SL hane/ej könsbestämd; (Ref. 40938); 8.9 cm SL (female)
Mjukstrålar i ryggfenan (totalt) : 17 - 19; Mjukstrålar i analfenan: 19 - 22; Ryggkotor: 35 - 36. Second pharyngobranchial elongated. Convex dorsal profile above pectoral-fin base not pronounced. Larger males (>9 cm SL) with deeper body (35.5 - 36.8 % SL). Pelvic fin longer with tip reaching base of 4th anal fin rays. Dorsal-fin rays 17-19 in males, 17 in females; anal-fin rays 20-22 in males, 19-21 in females; caudal fin rays 30. Caudal and pectoral fin rounded. Snout gently pointed with lower jaw slightly elongated. Supraorbital neuromasts 31-42 (Ref. 40938).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Bottom spawner, ? months incubation (Ref. 27139).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. 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, Brasil. (Ref. 36579)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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) |
3.4 ±0.4 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 vulnerability (11 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
|