Eastern Aegean bleak (Alburnus demiri) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 9.4 cm. With a trophic level of 2.8, it is an omnivore, consuming both plant and animal matter. It is assessed as Vulnerable on the IUCN Red List.
Dorsal soft rays (total): 12; Anal soft rays: 16 - 18. Diagnosed from its congeners by the combination of the following characters: origin of anal fin below branched dorsal-fin ray 7-8; 13-14½ branched anal-fin rays; 18-21 gill rakers; 43-46+3 lateral line scales; ventral keel exposed for 6-9 scales in front of anus; head length 23-26% SL, 1.1-1.2 times in body depth at dorsal-fin origin; predorsal length 57-61% SL; caudal peduncle depth 11% SL, 1.6-1.9 times in its length; caudal peduncle length 18-20% SL; eye diameter 6.4-7.2% SL, 0.97-1.04 times in interorbital distance; body depth at dorsal-fin origin 26-28% SL: faint, dark lateral stripe on body; numerous small tubercles in nuptial males . : fusiform / normal.
Behavioural data for Eastern Aegean bleak is currently being reviewed.
Freshwater; benthopelagic. Subtropical
The following diseases are known to affect Eastern Aegean bleak.
No observations yet - be the first to log one!
View all observations for Eastern Aegean bleak ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.