The term "maskfish" refers to a type of fish known for its distinctive facial markings that resemble a mask. These fish are often found in coral reefs and are popular among aquarium enthusiasts due to their vibrant colors and unique appearance. They belong to the family Cichlidae and are primarily found in tropical waters. Maskfish are known for their social behavior, often swimming in groups. They feed on small invertebrates and algae, playing a vital role in maintaining the health of their ecosystems. Their presence can indicate a healthy coral reef environment, making them important for marine biodiversity.