Knipowitschia ricasolii

Common name. Ephesus dwarf goby.

Diagnosis. Distinguished from other species of Knipowitschia in Anatolia by: ● head canals absent / ○ squamation incomplete, scales in two patches: in axillary area and on caudal region, rarely in one series along midlateral line / ○ otic transverse row tra of papillae on cheek not reaching to row b / ○ no transverse row of papillae on cheek through row d / ○ caudal symmetric. Size up to 26 mm SL.

Distribution . Türkiye: Lakes Gebekirse and Kocagöz basins and Eleman marshes in lower Küçük Menderes drainage.

Habitat. Fresh to brackish water of coastal lakes.

Biology. No data.

Conservation status. EN; appears to be declining within its very small range.

Remarks. Gobies in Kavakdere reservoir (Aegean basin) may belong to this species. Knipowitschia ephesi is a synonym. Knipowitschia ricasolii is closely related to K. caucasica .

Further reading. Ahnelt 1995 (description); Çiçek et al. 2019 ( Gobius ricasolii).