Galapagos barnacle blenny – Acanthemblemaria castroi

The Galapagos Barnacle Blenny, Acanthemblemaria castroi, is a small fish species found in the waters surrounding the Galapagos Islands.

Description & Characteristics

The Galapagos Barnacle Blenny, Acanthemblemaria castroi, is a relatively small fish, reaching a maximum size of 6.0 cm. Its body is typically elongated and slender, with a distinctive dorsal fin that runs the length of its back. The color pattern of Acanthemblemaria castroi can vary, but it often exhibits a combination of brown, orange, and white markings. Its overall appearance and coloration allow it to blend in effectively with the rocky substrate it inhabits.

Habitat and Occurrence

The Galapagos Barnacle Blenny, Acanthemblemaria castroi, is commonly found in the intertidal zone between the high and low tide lines, an environment characterized by alternating periods of exposure to air and immersion in water. This intertidal zone, also known as the Eulittoral zone, provides a suitable habitat for Acanthemblemaria castroi. The species is typically observed at depths ranging from 1.0 to 23.0 meters.

Taxonomy

The Galapagos Barnacle Blenny, Acanthemblemaria castroi, is classified within the animal kingdom as a member of the Class: Teleostei, Order: Blenniiformes, and Family: Chaenopsidae. This classification places Acanthemblemaria castroi within a group of fish characterized by their elongated bodies, prominent dorsal fins, and typically benthic (bottom-dwelling) lifestyles.

Feeding

The Galapagos Barnacle Blenny, Acanthemblemaria castroi, exhibits an omnivorous feeding strategy. Its diet primarily consists of algae and invertebrates, with a particular preference for zoobenthos, organisms that live on or in the bottom sediments of the marine environment. This diverse dietary strategy allows Acanthemblemaria castroi to thrive in the intertidal zone, where a variety of food sources are available.