Key to species of Pseudophoxinus native to the eastern Mediterranean Sea basin, from the Seyhan River south to the Dead Sea basin, including the Qweik and the upper Euphrates River drainage.

1a - Lateral line complete, reaching to caudal-fin base........................................................... 2 1b - Lateral line incomplete................................................................................ 4

2a - 55–62 + 2–3 scales in lateral series.................................................................. P. zeregi 2b - 38–46 + 2–3 scales in lateral series....................................................................... 3

3a - No black spots below lateral line, uppermost point of cleft level with or above centre of eye.................. P. cilicicus 3b - Many small black spots below lateral line, uppermost point of cleft below centre of eye...................... .. P. zekayi

4a - 26–33 + 2–3 scales in lateral series................................................................. P. hasani 4b - 38–62 + 2–3 scales in lateral series........................................................................5

5a - Pelvic axillary lobe present........................................................................ P. firati 5b - Pelvic axillary lobe absent..............................................................................6

6a - Pelvic fin short, reaching 1–5 scales in front of anus; 6–7 scales between pelvic-fin origin and lateral line............... 7 6b - Pelvic fin long, reaching or overlapping anus; 4–5 scales between pelvic-fin origin and lateral line.....................8 7a - 38–52 total scales in lateral series................................................................ P. syriacus 7b - 49–62 total scales in lateral series................................................................ P. drusensis

8a - A faint, brown or grey lateral stripe present or absent; 7–8 gill rakers on first gill arch; 19–20 abdominal vertebrae... P. libani

8b - A bold, black or dark-grey lateral stripe always present; 8–11, rarely 13, gill rakers on first gill arch; 21–22 abdominal verte- brae......................................................................................... .. P. turani