''Cottus cyclophthalmus'' is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. This species is found in northeastern Europe, in the

Neman River The Neman, Nioman, Nemunas or MemelTo bankside nations of the present: Lithuanian: be, Нёман, , ; russian: Неман, ''Neman''; past: ger, Memel (where touching Prussia only, otherwise Nieman); lv, Nemuna; et, Neemen; pl, Niemen; ...

and Venta River drainages in the basin of the Baltic Sea. This species is similar to the European bullhead (''Cottus gobio'') but is distinguished by uts round, protruding and tubular eyes set close to the front of head; papillae in the skin on the top and sides of the head, a scale-less body without any bony prickles and a complete sensory canal on the flanks which has 32–36 pores. It is classified within the subgenus ''Cottus'' and the

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

''cyclophthalmus'' is a compound of ''cyclos'', meaning "round", and ''ophthalmus'', which mean "eye", an allusion to the round, tubular eyes.

References

cyclophthalmus Taxa named by Zakhar Viktorovitch Zhidkov Taxa named by Vytautas Kesminas Taxa named by Valentina Grigorievna Sideleva Fish described in 2022 {{scorpaeniformes-stub