Alburnoides, L.H.Jeitteles, 1861

Kaya, Cüneyt, 2020, Spirlins of the southern Black Sea basin, with the description of a new species (Teleostei: Leuciscidae), Zootaxa 4763 (3), pp. 419-428 : 420-421

Keys to species of Alburnoides in the southern Black Sea and Marmara Sea basins

(Modified from Turan et al. (2019))

1a Ventral keel naked or rarely covered by 1–3 scales on its anterior part............................................ 2

1b Ventral keel covered by (2) 3–7 scales on its anterior part...................................................... 5

2a Usually 7–9 gill rakers.................................................................................. 3

2b Usually 5–7 gill rakers................................................................................. 4

3a Mouth slightly subterminal; tip of upper lip projecting beyond lower lip..................................... A. kurui

3b Mouth terminal; tip of both lips almost equal......................................................... A. turani

4a 11½–14½ branched anal-fin rays................................................................. A. kosswigi

4b 14½–16½ branched anal-fin rays.................................................................. A. freyhofi

5a Ventral keel covered by 5–7 scales on its anterior part................................................. A. tzanevi

5b Ventral keel covered by (2) 3–5 scales on its anterior part...................................................... 6

6a 10½–12½ branched anal-fin rays.............................................................. A. manyasensis

6b 13½–16½ branched anal-fin rays......................................................................... 7

7a Proximal 50–70% of last unbranched dorsal-fin ray ossified; proximal 40–60% of last unbranched anal-fin ray ossified; interorbital width 7–8% SL; caudal peduncle depth 10–11% SL........................................ A. coskuncelebii

7b Proximal 30–50% of last unbranched dorsal-fin ray ossified; proximal 10–30% of last unbranched anal-fin ray ossified; interorbital width 8–10% SL; caudal peduncle depth 11–12% SL........................................... A. fasciatus