The term "Genus Etropus" refers to a group of flatfish that are commonly found in the Pacific Ocean and Atlantic Ocean regions. These fish can be easily identified by their unique body shape, which is flattened and asymmetrical. They are also known for their ability to change the color of their skin in order to blend in with their surroundings and avoid predators. Synonyms for "Genus Etropus" include the words sanddab, flounder, sole, and plaice. Each of these terms describes a similar type of flatfish that shares similar characteristics and habits. While they may have different names, they are all part of the same family of fish that inhabit the ocean floor.