Alburnus kotschyi Steindachner, 1863
Arsuz bleak

Family:  Leuciscidae (Minnows), subfamily: Leuciscinae
Max. size:  16.3 cm TL (male/unsexed); max.weight: 50.3 g
Environment:  benthopelagic; freshwater
Distribution:  Asia: endemic to Turkey.
Diagnosis:  This species is distinguished based on the materials from Arsuz, Ceyhan and Seyhan Rivers by the following characters: with a prominent dark-brown or dark-grey lateral stripe (vs. none in A. baliki, A. caeruleus, A. qalilus, and A. orontis with irregularly set and shaped grey blotches on silvery background); differs from A. caeruleus by having a more slender body, its body depth at dorsal-fin origin 21-26% of SL (vs. 26-34%) and by having less branched anal-fin rays, 9½-11½ (vs. 13½-17½) and with ventral keel exposed 3-10 scales in front of anus (vs. scaleless); differs from A. orontis by having less branched anal-fin rays, 9½-11½ (vs. 12½-15½), with ventral keel exposed 3-10 scales in front of anus (vs. keel exposed 0-2 scales) and with last soft dorsal-fin ray simple (vs. stiff); with total lateral line scales 49-59 (vs. 77-93 in A. heckeli, 66-89 in A. sellal, 54-72 in A. timarensis, 70-93 in A. tarichi); gill rakers on first gill arch 9-12 (vs. 13-17 in A. timarensis) (Ref. 129015).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 29 January 2013 Ref. (130435)
Threat to humans:  harmless


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