roundfish
Roundfish is a general term used to describe a group of marine fish characterized by their relatively cylindrical or rounded body shape, as opposed to the flattened or laterally compressed bodies of many other fish species. This classification is not a strict scientific taxonomy but rather a common descriptive grouping based on morphology. Many fish commonly referred to as roundfish are found in temperate and cold waters of the Atlantic and Pacific Oceans.
Examples of fish often categorized as roundfish include cod, haddock, pollock, and whiting. These species are