Sailfin Blenny (Emblemaria spp.)
Sailfin Blennies are known for their dramatic dorsal fins and bold personalities. These reef-safe fish often perch and display, making them a favorite in nano to mid-sized marine tanks.
 
Size: Up to 3 inches (7.6 cm)
Tank Size: Minimum 20 gallons
Care Level: Moderate
Diet: Carnivore – frozen foods, copepods, mysis, enriched brine
Aggression Level: Peaceful to semi-aggressive (males may spar)
Compatibility: Reef-safe; best with peaceful or similar-sized species
Notes: Needs rockwork and crevices to perch and hide; males show off tall dorsal fins in displays