Knipowitschia ricasolii (Di Caporiacco, 1935)

Freyhof, JÖrg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, De Gruyter : 689-690

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 ).

690 Family Oxudercidae

Before it dried out, Lake Marmara was the habitat of a very large population of Knipowitschia mermere .

Knipowitschia ricasolii ; Lake Zeytinkoy, Türkiye; 25 mm SL.