The Family Chlorophthalmidae is a group of deep-sea fishes often referred to as the greeneye fish family. These fish are typically small in size, with a maximum length of around 30 cm, and are found in the Atlantic, Indian, and Pacific Oceans. Other synonyms for this family include the Gloomy eye fish family and the Mexicana fish family. Members of this family are known for their unique biological features, such as their large, tubular eyes that appear green in coloration. Some species of Chlorophthalmidae are commercially fished, while others are popular across the globe for their stunning visual appeal.