Figure 5 from: Bogutskaya NG, Zupančič P, Jelić D, Diripasko OA, Naseka AM (2017) Description of a new species of Alburnus Rafinesque, 1820 (Actinopterygii, Cyprinidae, Leuciscinae) from the Kolpa River in the Sava River system (upper Danube drainage), with remarks on the geographical distribution of shemayas in the Danube. ZooKeys 688: 81-110. https://doi.org/10.3897/zookeys.688.11261

Figure 5 - Ventral keel. Arrows showing anterior margin of anus base and beginning of scaleless portion of keel in a Alburnus sarmaticus, ZM NASU 4145, South Bug, 184.2 mm SL, 2 scales along scaleless portion of ventral keel; and b A. mento, NMW 79592, Mondsee, 135.1 mm SL, 11 scales along scaleless portion of ventral keel.