The black flounder (''Rhombosolea retiaria'') is a

flatfish A flatfish is a member of the Ray-finned fish, ray-finned demersal fish order (biology), order Pleuronectiformes, also called the Heterosomata, sometimes classified as a suborder of Perciformes. In many species, both eyes lie on one side of the ...

of the genus ''

Rhombosolea ''Rhombosolea'' is a genus of righteye flounders. The four species in this genus can be found in the waters around New Zealand and southern Australia. Species There are currently four recognized species in this genus: * '' Rhombosolea leporina'' ...

'', found around

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

in shallow enclosed waters and coastal freshwater lakes. Its adult length ranges from 20 to 45 cm.

References

* * * Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand 1982)

black flounder The black flounder (''Rhombosolea retiaria'') is a flatfish of the genus ''Rhombosolea'', found around New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses� ...

Endemic freshwater fish of New Zealand

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