:  The Tube and Pike Blennies
Taxonomy: Perciformes, Tube and Pike Blennies  (Chaenopsidae)
General Information: There are 9 genera and 60 species of Chaenopsids. They have elongate bodies with long continuous dorsal fins. They lack a lateral line and often have spiny heads.
Diet: These fish feed on small invertebrates and fishes.
Final Note: These fish are interesting to observe due to their incessant darting in and out of holes and recesses in search of food.

Examples at SeaScape Studio:
Barnacle Blenny
Orangethroat Pikeblenny