Parr

Parr is a surname of English origin and also a common place-name element in the English-speaking world. As a surname, Parr appears in historical documents and contemporary references across various professions, with spellings such as Parr and Parris in use. In geography, the name is attached to towns, villages, and parishes in the United Kingdom and other countries, typically indicating historical ties to a family or landholding.

In biology, parr refers to the juvenile stage of salmonid fishes, including Atlantic salmon and trout species. Parrs are characterized by vertical markings on their sides, known as parr marks, and they remain in freshwater for one to several years before maturing into the smolt phase and migrating to the sea. The duration and appearance of the parr stage can vary by species and environmental conditions.