Adana Chub

Diagnosed from congeners in Turkey and adjacent waters by the combination of the following non-unique characters: presence of a spot on the scale pocket of each scale, covered by the preceding scale and appearing as a greyish spot at the posterior tip of the preceding scales; no or only few melanophores along the posterior margin of each flank scale; no black bar behind the opercle; most flank scales with a somewhat undulating outer margin; head length 27.8–-31.1 % SL), approximately 1.2-1.3 times body depth, head shape not sexually dimorphic; mouth terminal, without or with a very slightly distinct chin, its corner almost reaching the vertical through the anterior margin of the eye; length of mouth gape approximately equal to its width; upper jaw slightly projecting beyond lower jaw; upper lip thin, its anterior width approximately 1.3-1.5 times the width at the corner of the mouth; dorsal body profile behind head straight or very slightly convex, ventral profile slightly more convex than dorsal profile; anal fin not fleshy; caudal fin deeply forked (length of middle rays 59-68 % of length of lower lobe), lobes slightly pointed; lateral line with 38-42 + 1-2 scales; and anal and pelvic fins without orange pigments on rays in life (Ref. 93268).

Dorsal soft rays (total): 11; Analsoft rays: 11

Occurs in swift and warm flowing water, with bottom comprising of cobbles and pebbles. Lives in association with Capoeta turani, Oxynoemacheilus seyhanensis and Alburnus sp.

The Adana chub (Squalius adanaensis) is a cyprinid fish endemic to the lower Seyhan basin in Turkey.