Ecsenius mandibularis, known commonly as the Queensland blenny in Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, is a species of combtooth blenny

Combtooth blenny

Combtooth blennies are blennioids; perciform marine fish of the family Blenniidae. They are the largest family of blennies, with approximately 371 species in 53 genera represented...

 in the genus Ecsenius

Ecsenius

Ecsenius is a large genus of fish in the Blenniidae family. It currently contains 53 described species.-Species:*Ecsenius aequalis, Fourline blenny*Ecsenius alleni, Allen's blenny*Ecsenius aroni, Aron's blenny...

. It is found in coral reef

Coral reef

Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny living animals found in marine waters that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups. The polyps...

s in the western Pacific ocean, including the southern edge of the Great Barrier Reef

Great Barrier Reef

The Great Barrier Reef is the world'slargest reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres over an area of approximately...

. It was named by A.R. McCulloch in 1923, and can reach a maximum length of 7.5 centimetres. Blennies in this species feed primarily off of plants, including benthic algae

Algae

Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. They are photosynthetic like plants, and "simple" because their tissues are not organized into the many...

and weeds,