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Teleostei (teleosts) > Cypriniformes (Carps) > Danionidae (Danios) > Chedrinae
Etymology:

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

Freshwater; benthopelagic. Tropical

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Africa: only known from the Kakrima River and in the middle reaches of the Konkouré River in Guinea (Ref. 2940, 81282).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.8 cm SL male/unsexed; (Ref. 2940)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 11; Anal soft rays: 15 - 16. Diagnosis: body depth 4.3x and head length 3.6x SL; eye diameter 3.4-4.0x head length; scale formula 6.5-7.5/36-38/4.5-5.5; 6.5-7.5 scales between lateral line and dorsal fin origin; 36-38 scales in longitudinal series; 8 dorsal-fin branched rays; 12-13 anal-fin branched rays; known only from the Konkouré basin (Ref. 2940, 81282).

Affinities: superficially resembles R. nigeriensis (less bars, more scales).

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

Main reference Upload your references | References | Coordinator | Collaborators

Lévêque, C., 1990. Cyprinidae. p. 269-361. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren, and O.R.S.T.O.M., Paris, 384 p. (Ref. 2940)

IUCN Red List Status (Ref. 130435)

Vulnerable (VU) (B1ab(iii)); Date assessed: 23 April 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00589 (0.00282 - 0.01229), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-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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