Genus
Common name: Sailfin Blennies
Scientific name: Liachirus
Liachirus is a genus of blennies known for their elongated bodies and distinctive dorsal fins that resemble sails, hence the common name 'Sailfin Blennies'. These small, personable fish are popular in the reefkeeping hobby for their interesting behaviors and compatibility with a variety of tank mates. They are known to perch on rocks and corals, often bobbing their heads in a characteristic manner. Sailfin Blennies are generally peaceful and can be kept with a wide range of other reef-safe species. They are also beneficial as they graze on algae, helping to keep the tank clean.