Story: Freshwater fish

Black flounder

Black flounder

The black flounder (Rhombosolea retiaria) is one of two species of freshwater fish that are derived directly from marine species. The other is the torrentfish (Cheimarrichthys fosteri). The black flounder is most common in the sea, in estuaries, harbours and lower levels of rivers, but it has been seen 250 kilometres up the Whanganui River, and 100 kilometres up the Manawatū River.

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Department of Conservation
Reference: 10048525
Photograph by W. Farelly

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How to cite this page:

Bob McDowall, 'Freshwater fish - Evolution and characteristics', Te Ara - the Encyclopedia of New Zealand, (accessed 18 July 2024)

Story by Bob McDowall, published 24 Sep 2007