Common name: Pallid rockskipper

General information

The Highfin Blenny, scientifically known as Istiblennius flaviumbrinus, is a charming and distinctive fish that adds personality to any marine aquarium. Recognizable by its elongated body and the prominent dorsal fin that gives it its name, this species is a favorite among aquarists for its active behavior and ease of care.

Highfin Blennies are typically found in shallow, rocky coastal environments where they can dart in and out of crevices. They exhibit a range of colors, usually a mottled brown or grey, which helps them blend into their surroundings.

Care

Highfin Blennies are hardy and adaptable, making them suitable for both beginner and advanced hobbyists. They thrive in well-established aquariums with plenty of live rock for grazing and hiding. These omnivores will accept a variety of foods, including algae, frozen and dried preparations. It's important to ensure a varied diet to maintain their health.

Reproduction

In the wild, Highfin Blennies are known to be territorial during breeding, with males guarding and tending to the nest sites. In the aquarium, breeding can occur but is less common. If conditions are right, the male will prepare a surface for the female to lay eggs, which he then guards until they hatch.

Habitat

Istiblennius flaviumbrinus is native to the Indo-Pacific region, often found in intertidal zones up to several meters deep. They prefer areas with abundant algae growth and rock formations that provide shelter and feeding opportunities.