The Black Sailfin Blenny, scientifically known as Atrosalarias fuscus, is a captivating marine fish known for its unique dorsal fin and sleek black appearance. Native to the Indo-Pacific region, this blenny is a popular choice among aquarists due to its active behavior and minimalistic requirements. Its curious nature and tendency to perch on live rocks make it a delightful addition to any reef aquarium.

Care Level:
Easy

Diet:
Herbivore – Primarily algae and marine plants.

Max Size:
5 inches

Temperament:
Peaceful

Family:
Blenniidae