Anatolichthys meridionalis
Common name. Lycian killifish.
Diagnosis. Distinguished from other species of Anatolichthys by: ● male with 6–8 dark-brown bars on flank / ● male with flank bars behind dorsal origin narrower than interspaces / ○ adult male with completely black dorsal or with brown base / ○ body shape ovoid / ○ male with bright yellow anal with narrow black margin / ○ male with 1–4 bold black vertical bars on caudal / ○ female with numerous black spots or blotches on flank often organised in midlateral rows / ○ body completely covered with overlapping scales. Size up to 55 mm SL.
Distribution . Türkiye: Upper Eşen drainage and Lake Söğüt, Avlan, and Gölhisar basins. Also in a small reservoir in Lake Salda basin (potentially introduced).
Habitat. River and stream margins, lakeshores, springs, and spring-fed canals and streams.
Biology. Live up to 4 years, mature at age I; spawns July-September.
Conservation status. VU; found in fewer than 10 independent populations, some of which are declining.
Remarks. Anatolichthys parvus, from small streams near Lake Gölhisar, is a synonym.
Further reading. Akşıray 1948 (description); Yoğurtçuoğlu & Freyhof 2018 (identification); Güçlü 2022 (biology).