Rhombosoleinae is a subfamily of fish in the Pleuronectidae

Pleuronectidae

Righteye flounders are a family, Pleuronectidae, of flounders. They are called "righteye flounders" because most species lie on the sea bottom on their left side, with both eyes on the right side. The Paralichthyidae are the opposite, with their eyes on the left side.Their dorsal and anal fins are...

 family, comprising nine genera

Genera

Genera is a commercial operating system and development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the MIT AI Lab's Lisp machines which Symbolics had used in common with LMI and Texas Instruments...

 and 19 species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

; all members of this subfamily are right eye flounders with asymmetrical pelvic fins. Species are typically demersal, living on bottoms in temperate marine

Seawater

Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% . This means that every kilogram of seawater has approximately of dissolved salts . The average density of seawater at the ocean surface is 1.025 g/ml...

 waters on the continental shelf

Continental shelf

The continental shelf is the extended perimeter of each continent and associated coastal plain. Much of the shelf was exposed during glacial periods, but is now submerged under relatively shallow seas and gulfs, and was similarly submerged during other interglacial periods. The continental margin,...

, although some species of Rhombosolea

Rhombosolea

Rhombosolea is a genus of flounders. All four of the species in this genus can be found in the waters around New Zealand and Australia.-Species:* Yellowbelly flounder, Rhombosolea leporina ....

 enter fresh water

Fresh Water

Fresh Water is the debut album by Australian rock and blues singer Alison McCallum, released in 1972. Rare for an Australian artist at the time, it came in a gatefold sleeve...

 in New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. They are found in waters around 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...

 and New Zealand, though the Remo flounder

Remo flounder

The Remo flounder, Oncopterus darwinii, is an edible flatfish of the family Pleuronectidae. It is a demersal fish that lives on bottoms at depths of between to . Its native habitat is the southwestern Atlantic, particularly the south east coast of South America, from Santa Catarina, Brazil in the...

, Oncopterus darwinii, occurs in the southwestern Atlantic

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 some classifications, Rhombosoleinae is raised to the level of a family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

.

Genera

• Ammotretis
  Ammotretis
  Ammotretis is a genus of fish in the Pleuronectidae family.-Species:* Shortfin flounder, Ammotretis brevipinnis .* Elongate flounder, Ammotretis elongatus ....
  
  
• Azygopus
• Colistium
  Colistium
  Colistium is a genus of fish in the Pleuronectidae family.-Species:* New Zealand brill, Colistium guntheri .* New Zealand turbot, Colistium nudipinnis ....
  
  
• Oncopterus
  Oncopterus
  Oncopterus is a genus of fish in the Pleuronectidae family. It consists of only one species, the Remo flounder.-Species:* Remo flounder, Oncopterus darwinii ....
  
  
• Pelotretis
• Peltorhamphus
  Peltorhamphus
  Peltorhamphus is a genus of fish in the Pleuronectidae family.-Species:* Speckled sole, Peltorhamphus latus .* New Zealand sole, Peltorhamphus novaezeelandiae .* Peltorhamphus tenuis ....
  
  
• Psammodiscus
• Rhombosolea
  Rhombosolea
  Rhombosolea is a genus of flounders. All four of the species in this genus can be found in the waters around New Zealand and Australia.-Species:* Yellowbelly flounder, Rhombosolea leporina ....
  
  
• Taratretis
  Taratretis
  Taratretis is a genus of fish in the Pleuronectidae family. It consists of only one species, the Derwent flounder....