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Teleostei (teleosts) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynopoecilus: Greek, kyon = dog + Greek, odous = teeth + Greek, poikilos = with a lot of colours (Ref. 45335); nigrovittatus: From the black stripes of the male; an adjective..
More on author: Costa.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; pelagic. Tropical

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

South America: Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.4 cm SL male/unsexed; (Ref. 42931); 3.2 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 17 - 20; Anal spines: 0; Anal soft rays: 23 - 27; Vertebrae: 28 - 29. Dorsal head profile of adult male strongly concave; lateral body stripes of male black; bright blue zone along the posterior margin of caudal fin of male; dark spots on the entire caudal fin of male; pectoral fin length of male 19.6-23.4% SL; longitudinal rows of spots on body of male light blue; pelvic fin length 6.3-7.2% SL in male and 6.4-7.4 in female; dark brown irregular marks on dorsum below dorsal fin of male; 15-17 supraorbital neuromasts and 1-3 neuromasts per scale of the lateral line (Ref. 42931).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

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

Costa, W.J.E.M., 2002. The annual fish genus Cynopoecilus (Cyprinodontiformes: Rivulidae): taxonomic revision, with descriptions of four new species. Ichthyol. Explor. Freshwat. 13(1):11-24. (Ref. 42931)

IUCN Red List Status (Ref. 130435)

Near Threatened (NT) (B1b(iii)); Date assessed: 18 May 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology
Ecology

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Length-weight rel.
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Life cycle
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Distribution
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Anatomy
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Brains
Otoliths

Physiology
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Swimming type
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Visual pigment(s)
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Genetics
Genetics
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Human related
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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

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

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Cynopoecilus nigrovittatus Costa, 2002