Pleuronectidae

Black flounder

Rhombosolea retiaria

Pleuronectid Fish from Southwest Pacific

• Black
• Tropical
• Island endemic
• Southern Hemisphere
• Island endemic species
• Local endemic species
• Restricted distribution
• Pacific Ocean
• Oceania
• Medium
• Tropical fish

The black flounder (Rhombosolea retiaria), also known by the Māori language name mohoao, is a species of flatfish in the family Rhombosoleidae, found around New Zealand in shallow enclosed waters and coastal freshwater lakes. Its adult length ranges from 20 to 45 cm (7.9 to 17.7 in).