hippoglossoides platessoides


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.

Their dorsal and anal fins are long and continuous, with the dorsal fin extending forward onto the head.

They are found on the bottoms of oceans around the world, with some species, such as the Atlantic halibut, Hippoglossus hippoglossus, being found down to 2,000 m. The smaller species eat sea-floor invertebrates such as polychaetes and crustaceans, but the larger righteye flounders, such as H. hippoglossus, which grows up to 2.4 m, feed on other fishes and cephalopods as well.

They include many important commercially fished species, including not only the various fish called flounders, but also the European plaice, the halibuts, the lemon sole, the common dab, the Pacific Dover sole, and the flukes.


In some classifications the subfamilies Paralichthodinae, Poecilopsettinae, and Rhombosoleinae are raised to the level of families.

According to FishBase there are 101 species in 41 genera and five subfamilies:


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