The mystery blenny (Parablennius incognitus) is a species of combtooth blenny found in the eastern Atlantic ocean and the Mediterranean Sea.

[2] It is widespread in Madeira, the Canary Islands and Limbe, Cameroon, off Iberian Peninsula to all parts of the Mediterranean including Morocco, the Sea of Marmara, and Black Sea.

[3] In the Black Sea it was first found in 2002 near the southern coast of Crimea, Ukraine, and soon become abundant in coastal waters from Sevastopol to Cape Fiolent.

[4] It can reach a length of 5.8 centimetres (2.3 in) SL.

This Blenniidae article is a stub.