Monocle coralblenny – Ecsenius monoculus

Monocle coralblenny, Bleeny - Ecsenius monoculus, Ecsenius monoculus

The Bleeny, scientifically known as Ecsenius monoculus, is a small, colorful fish belonging to the family Blenniidae. This species is commonly found in the shallow reef environments of the Indo-Pacific region.

Description & Characteristics

The Bleeny Ecsenius monoculus is a relatively small fish, reaching a maximum size of 5.0 cm. Its body is elongated and slender, with a distinctive pointed snout. This species is characterized by its vibrant coloration, typically exhibiting a combination of bright yellow, orange, and red hues. The Bleeny also possesses a prominent dorsal fin that extends almost the entire length of its back.

Habitat and Occurrence

The Bleeny Ecsenius monoculus is a reef-associated species that prefers shallow water environments. It can be found in depths ranging from 0.0 to 7.0 meters, primarily inhabiting areas with abundant coral growth. This fish is commonly encountered in the intertidal zone, particularly within the coral reef ecosystems of the Indo-Pacific region. This includes marine zones like the tropical and subtropical waters of the Indian Ocean, the Pacific Ocean, and the Red Sea.

Taxonomy

The Bleeny Ecsenius monoculus is classified within the Order Blenniiformes, commonly known as blennies. These fish belong to the Family Blenniidae, a diverse group of over 400 species, characterized by their elongated bodies, prominent dorsal fins, and generally small size. The Bleeny falls under the Class Teleostei, which encompasses a vast majority of ray-finned fishes, distinguished by their bony skeletons and flexible fins.

Feeding

The Bleeny Ecsenius monoculus is an herbivorous fish, feeding primarily on algae. It actively grazes on the surfaces of coral reefs and rocky substrates, consuming a variety of algae species. This dietary preference contributes to the overall health of the coral reef ecosystem by controlling the growth of algae and promoting the balance of the marine environment.

Associated Species

Image References

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