Genus Pleuronectes is a group of marine flatfish belonging to the family Pleuronectidae. They are commonly known as the righteye flounders due to their unusual body shape. Their eyes are positioned on the right side of their head, which allows them to lie flat on the ocean floor without being seen by predators or prey. Other synonyms for the genus Pleuronectes include the flatfish, the flounder, and the halibut. These fish species are commonly found in the Atlantic and Pacific Oceans, as well as the Mediterranean Sea and the Arctic Ocean. They are appreciated for their delicate and flavorful flesh, making them a popular choice among seafood lovers.