Hippoglossus hippoglossus reaches 4.7 m and 320 kg, the world's largest flatfish. Right side olive-brown to dark green, left side white. Elongated diamond shape. Lives on deep sandy and gravelly bottoms of the North Atlantic (Greenland, Iceland, Norway, Canada, Scotland) between 50 and 2000 m. Lifespan up to 50 years. Populations heavily reduced by overfishing, IUCN Near Threatened. Farmed in Norwegian aquaculture.

