Butterfly blenny Butterfly blenny The butterfly blenny ("Blennius ocellaris") is a small marine blenniid fish of Northern and Western Europe, as well as the Mediterranean and Black Seas and Morocco. It can grow as large as in length. It is usually found at a depth of down, especially in areas with a rocky floor. The butterfly blenny has 11–12 dorsal spines, 14–16 dorsal soft rays, 2 anal spines and 15–16 anal soft rays. It has tentacles on the nasal opening, above the eye and on the nape near the first dorsal fin ray. The lateral line is discontinuous. The forward part of
Leaping blenny a maximum water depth of 2 metres. They inhabit holes in limestone deposits in intertidal zones, and leap between holes when disturbed, earning them their common name. They are very social at mid-tide, using visual displays to warn off competitors and attract mates. Although they must remain moist to breathe, the blennies are able to breathe air, and avoid submersion by tide waters. Leaping blennies feed primarily off of algae. They are oviparous and form distinct pairs when mating. They can reach a maximum total length of 10 centimetres (4 inches). Leaping blenny The leaping blenny ("Alticus saliens"), also known