Thysanopsetta naresi is a species of flatfish

Flatfish

The flatfish are an order of ray-finned fish, also called the Heterosomata, sometimes classified as a suborder of Perciformes. In many species, both eyes lie on one side of the head, one or the other migrating through and around the head during development...

 in the large-tooth flounder family, Paralichthyidae

Paralichthyidae

Large-tooth flounders are a family, Paralichthyidae, of flounders. They lie on the sea bed on their right side; both eyes are on the left side of the head, while the Pleuronectidae are the opposite with their eyes on the right side....

. It is the only member

Monotypic

In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

 of its genus Thysanopsetta . Thysanopsetta naresi is a demersal fish that lives in temperate waters at depths of between 90 and 170 m (295.3 and 557.7 ft). It can be found in the southeast Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, off the coast of Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

, and in the southwest 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...

 in the Patagonia

Patagonia

Patagonia is a region located in Argentina and Chile, integrating the southernmost section of the Andes mountains to the southwest towards the Pacific ocean and from the east of the cordillera to the valleys it follows south through Colorado River towards Carmen de Patagones in the Atlantic Ocean...

n Falkland region. It grows to around 15.1 centimetres (5.9 in) in length.

It is brownish in colour, mottled and spotted with darker patches. Like the rest of the large-tooth flounders, it has both eyes on the left side of its head.