Serranus Subligarius, commonly known as the Bartail Bass, is a species of fish belonging to the Serranidae family. The species is found in the western Atlantic from Massachusetts to Brazil. The Bartail Bass can be identified by its long and slender body, as well as its distinctive bar-shaped tail. The term "Bartail Bass" is commonly used as a synonym for the Serranus Subligarius, along with "Key West Bass," "Brazilian Bass," and "Bar-tailed Grouper." These synonyms not only provide alternative names for the species, but also highlight its wide geographic range and importance in commercial and recreational fishing.