Black Sailfin Blenny

Black Sailfin Blenny (Blenniidae)

The Black Sailfin Blenny is a fascinating and distinctive species of marine fish that belongs to the Blenniidae family. They are common in shallow waters along rocky shores and coral reefs. Size: They typically grow to a length of about 5 3/4 inches (14.5 cm) in adulthood. Lifespan: They live for 3 to 5 years on average. Physical Characteristics: Coloration: As the name suggests, they have a striking black body with large dorsal fins. Males tend to have a larger dorsal fin and may display some color changes during breeding. Distinct Features: Their bodies are long and scaleless, with blunt faces that have cirri (hair-like structures) above their eyes and near the nostrils. These features are part of what makes them stand out in an aquarium setting. Behavior: Black Sailfin Blennies are territorial but also sociable and can often be found in small colonies. They are known to be shy but are highly active in their territories, often perching on rocks or hiding in crevices.Habitat & Diet: Habitat: They prefer clear, shallow water with rocky shores or reefs, where they can find rubble or crevices to hide in for protection. Diet: Black Sailfin Blennies are herbivores that primarily feed on microalgae in the wild. In aquariums, they require a diet rich in algae, including blue-green and marine algae. They can also eat vegetable matter, dried, and frozen foods.