Black Sailfin Blenny grow to four inches and behave like most salt water gobies. The distinguishing feature is the high dorsal fin.
Scientific Name: Atrosalarias fuscus
Max Size: 4"
Diet: it needs microalgae in its diet in order to survive. However, its diet can be supplemented with vegetable matter, including frozen and dried foods containing marine and blue-green algae (spirulina).
requires 30+ gallon tank
These fish have a tendency to nip at clam mantels and corals. they can also be territorial.
Small: 1" to 2"
Medium: 2" to 3"