Labrisomus cricota, known commonly as the Mock blenny in Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, is a species of labrisomid

Labrisomid

Labrisomids are small blennioids, perciform marine fish belonging to the family Labrisomidae. Found mostly in the tropical Atlantic and Pacific Ocean, the family contains approximately 98 species in 14 genera....

 blenny. It is a tropical blenny known from reef

Reef

In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water ....

s around Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, in the western Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

. It was described by I. Sazima, J.L. Gasparini, and R.L. de Moura in 2002. Male blennies in this species can reach a maximum length of 9.3 centimetres, while females can reach a maximum length of 10.3 centimetres. They swim at a maximum depth of 4 metres. The males are territorial

Territory (animal)

In ethology the term territory refers to any sociographical area that an animal of a particular species consistently defends against conspecifics...

, and are believed to have harem

Harem

Harem refers to the sphere of women in what is usually a polygynous household and their enclosed quarters which are forbidden to men...

s.