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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
Ecologie
; zoet water benthopelagisch. Temperate
Western Asia: West Transcaucasia, Georgia.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 6.8 cm SL mannelijk / geslacht onbekend; (Ref. 50154)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 3; Dorsale zachte stralen (totaal) : 9 - 10; Anale stekels: 3; Anale zachte stralen: 8 - 10; Wervels: 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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00682 - 0.04038), b=3.03 (2.82 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.6 ±0.2 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).