👉 Nonguilts are a type of fish that is not part of any known group or family. They are also sometimes referred to as "gillfish" because their gills have specialized structures for extracting oxygen from the water. Nonguilts are found in the Indo-Pacific region and can grow up to 5 feet long and weigh up to 20 pounds. They are typically found in saltwater environments, but some species may also occur in freshwater habitats such as rivers or lakes.
