All over the world. These small, bottom-dwelling fishes are a conspicuous element of reef fish communities. Blennies are characterized by a combination of an elongate body, lack of scales, and a continuous, long-based dorsal fin.The diet of most blennies consists mainly of algae. Blennies are worldwide family and well represented in mainly tropical and subtropical seas with 54 genera and approximately 305 species.
A blenny is any of various marine fishes from the suborder Blennioidei which are generally small and elongated and dwell on the sea floor.
Starry blenny
There are 732 species of Blennies. Here is some examples: Bicolor Blenny (ecsenius bicolor), Black Combtooth Blenny (ecsenius namiyei), Black Sailfin Blenny (astrosalarias fuscus), Black-Lined Blenny - Tank-Bred (meiacanthus nigrolineatus), Canary Blenny (meiacanthus oualanensis), Ember Blenny (cirripectes stigmaticus), Fortail Blenny (meiacanthus atrodorsalis), Horned Blenny (hypsoblennius exstochilus), Linear Blenny (ecsenius lineatus), Lizard Blenny (parapercus sp.), Midas Blenny (ecsenius midas), One Spot Blenny (crossosalarias macrospilus), Orangetrhoat Pikeblenny (chaenopsis alepidota), Sailfin/Algae Blenny (salarias fasciatus), Segmented Sailfin Blenny (salarias segmentatatus), Starry Blenny (salarias ramosus), Striped Blenny (meiacanthus grammistes), Tail Spot Blenny (ecsenius stigmatura).
Ringneck blenny was created in 1829.
Australian blenny was created in 1988.
Mud blenny was created in 1959.
Crested blenny was created in 1926.
Rusty blenny was created in 1814.
Mystery blenny was created in 1968.
Portuguese blenny was created in 1836.
Yatabe blenny was created in 1900.
Sphinx blenny was created in 1836.
Zvonimir's blenny was created in 1892.