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> Cypriniformes (Carps) > Acheilognathidae (Bitterlings)
Etymology: Rhodeus: Greek, rhodeos, a,-on = rose (Ref. 45335); colchicus: Named after the former Ancient Greek name of the type locality of the species, Colchida..

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

; eau douce benthopélagique. Temperate

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Western Asia: West Transcaucasia, Georgia.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 6.8 cm SL mâle / non sexé; (Ref. 50154)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 3; Rayons mous dorsaux (Total) : 9 - 10; Épines anales: 3; Rayons mous anaux: 8 - 10; Vertèbres: 33 - 36. Distinguished from congeners by the following characters: large scales (34 to 37, commonly 35, in the lateral row), commonly 9 branched rays in both the dorsal and anal fins, a low number of vertebrae (33 to 36 total, commonly 35), a deep shortened 2nd infraorbital, a broad 4th infraorbital and a well developed 5th one with a widened lamellate portion (Ref. 50154).

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Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Bogutskaya, N.G. and A.M. Komlev, 2001. Some new data to morphology of Rhodeus sericeus (Cyprinidae: Acheilognathinae) and a description of a new species, Rhodeus colchicus, from West Transcaucasia. Proc. Zool. Inst. 287:81-97. (Ref. 50154)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 08 March 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

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=0.01622 (0.00634 - 0.04146), b=3.04 (2.82 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 2.6 ±0.2 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

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

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Rhodeus colchicus Bogutskaya & Komlev, 2001