Damselfishes (Pomacentridae) are a family of small, brightly colored marine fish that are found in tropical and subtropical waters around the world. They are closely related to the chromis, which are a subfamily of damselfishes that are distinguished by their slender bodies and shimmering, iridescent scales.
Damselfishes and chromis are generally found in shallow coral reefs, where they inhabit a variety of habitats including rocky outcrops, coral reefs, and seagrass beds. They are known for their brightly colored scales, which can range in color from shades of blue, green, and yellow to more unusual hues such as purple and pink. Many species of damselfishes and chromis are also distinguished by distinctive patterns and markings on their scales, which can help to distinguish one species from another.
Damselfishes and chromis are generally peaceful and non-aggressive, and are often found in large schools. Some species of damselfishes and chromis are threatened due to overfishing and habitat destruction, and efforts are being made to protect and conserve these important marine animals.