Tripterygion_tripteronotus
Red-black triplefin
Species of fish
The red-black triplefin (Tripterygion tripteronotum) is a species of fish in the family Tripterygiidae, the threefin blennies. It is widespread in the Mediterranean Sea and the Black Sea.[2] In the Black Sea it occurs off the coasts of the Crimea and Ukraine.[3][4]