Pleuronectidae and they sink to the bottom. 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 . 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 in length, 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
Fish Hook River and Potato Lakes, respectively. Potato Lake collects Hay Creek, which flows from northeastern Becker County, draining a region of lakes. The Fish Hook River flows in the Northern Lakes and Forests ecoregion, which is characterized by conifer and hardwood forests on flat and rolling till plains and outwash plains. The river's fish population is dominated by suckers, but walleye and northern pike are also present. Fish Hook River The Fish Hook River, also spelled Fishhook River, is a tributary of the Shell River, long, in north-central Minnesota in the United States. The river's source, Fish Hook Lake, collects short tributaries