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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; ej vandrande. Tropical; 22°C - 26°C (Ref. 13614)
South America: Middle São Francisco River basin.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.0 cm TL hane/ej könsbestämd; (Ref. 27139); 9.0 cm SL (female)
Mjukstrålar i ryggfenan (totalt) : 15 - 18; Mjukstrålar i analfenan: 17 - 21; Ryggkotor: 35 - 37. Supraorbital neuromasts 32-38. Dorsal fin of males with long filamentous rays. Scaled anal-fin base. Contact organs on inner surface of most or all rays of pectoral fin of male. Dorsal-fin rays 16-18 in males, 15-17 in females; anal-fin rays 19-21 in males, 17-20 in females; caudal-fin rays 32-35. Snout gently pointed with lower jaw slightly elongated (Ref. 40938).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Bottom spawner, 4 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))
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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=0.01122 (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) |
3.3 ±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 (10 of 100). 🛈 |