Black-faced blenny Black-faced blenny The black-faced blenny ("Tripterygion delaisi") is a small benthic fish from the family Tripterygiidae (triplefin-blennies). It occurs at depths of -3 to -40 m and lives on the substrate under large rocks, cliffs or other overhangs. Like all triplefin-blennies, "T. delaisi" has three dorsal fins and can hence easily be distinguished from members of the families Blenniidae (1 dorsal fin) and Gobiidae (2 dorsal fins) that have a similar live-style and general appearance. It has a peaked head and short tentacles above the eyes.⁠ The common name yellow black-faced blenny derives from the colouration of territorial males during
Pinchuk's goby Pinchuk's goby Pinchuk's goby ("Ponticola cephalargoides") is a species of goby native to the Black Sea and the Sea of Azov. The body of adults is prolonged, not very high. Only juveniles have high and short body. Сaudal peduncle is very high (highest between al representatives of genus "Ponticola"), short and flattened from sides (its high is equal its length). The scales on the caudal peduncle are not very big. Head is flattened from sides, snout profile is round, cheeks are round. Superior lip is broad, relatively short. Premaxilla short (especially in juveniles), with sparse strong lips. First dorsal fin