Largemouthed black bass, also known as Micropterus salmoides, is a popular game fish species. However, the term largemouthed black bass has several synonyms in the fishing world. One of the most common synonyms is black bass. Black bass is a catch-all term for several species of bass, including the largemouthed black bass. Another synonym that anglers use is bigmouth bass. This term is particularly popular in the South and Midwest regions of the United States. Bucketmouth and green bass are other popular synonyms for largemouthed black bass. Regardless of the term you use, the largemouthed black bass is a highly sought-after game fish due to its size and feisty nature.