Black Flounder
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The black flounder (''Rhombosolea retiaria''), also known by the
Māori language Māori (; endonym: 'the Māori language', commonly shortened to ) is an Eastern Polynesian languages, Eastern Polynesian language and the language of the Māori people, the indigenous population of mainland New Zealand. The southernmost membe ...
name mohoao, is a species of
flatfish A flatfish is a member of the Ray-finned fish, ray-finned demersal fish Order (biology), suborder Pleuronectoidei, also called the Heterosomata. In many species, both eyes lie on one side of the head, one or the other migrating through or around ...
in the family
Rhombosoleidae Rhombosoleidae is a family of flatfish, comprising nine genera and 19 species; all members of this family are right eye flounders with asymmetrical pelvic fins. Species are typically demersal, living on bottoms in temperate marine waters on the c ...
, found around New Zealand in shallow enclosed waters and coastal freshwater lakes. Its adult length ranges from .


Description

''Rhombosolea retiaria'' is known for its black back and orange spots.


Habitat

''Rhombosolea retiaria'' is the only species of flounder in New Zealand that can thrive in freshwater. It can be found in streams as far as inland from the ocean.


References

* * * Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand 1982) black flounder Endemic freshwater fish of New Zealand black flounder {{Pleuronectiformes-stub