Genus Pomacanthus is commonly known as angelfish, which is a popular type of tropical fish typically found in coral reefs. Synonyms for this genus are not as commonly used, but there are other terms that refer to angelfish as well. For instance, Pomacanthid is another synonym that is used to refer to this type of fish. Additionally, anglerfish or angel sharks may be used to describe some members of this genus, although this can be confusing as these terms are typically used to describe other species of fish. Overall, while there are a few synonyms for the genus Pomacanthus, "angelfish" remains the most commonly used term.