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Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines)
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335). More on author: Costa.

Environment / Climate / Range Ecology

Freshwater; benthopelagic; non-migratory. Tropical; 22°C - 26°C (Ref. 13614), preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Middle São Francisco River basin.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 27139); 9.0 cm SL (female)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 15-18; Anal soft rays: 17 - 21; Vertebrae: 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).

Bottom spawner, 4 months incubation (Ref. 27139).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Costa, Wilson J.E.M. | Collaborators

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)

IUCN Red List Status (Ref. 109396)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
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Common names
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Fecundity
Eggs
Egg development

Age/Size
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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00912 (0.00358 - 0.02321), b=3.08 (2.86 - 3.30), based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic Level (Ref. 69278): 3.3 ±0.4 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Low vulnerability (10 of 100) .

Entered by Bailly, Nicolas

Modified by Torres, Armi G.

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Cynolebias perforatus Costa & Brasil, 1991