The wolf fish is a large, predatory fish found throughout Central and South America. It can live in a variety of habitats, from drainage ditches to larger rivers. It has become a popular species among anglers due to its aggressive takes and strong fights. Wolf fish can grow up to three feet in length, and have long, sharp teeth, making them a formidable opponent for any angler. They are also a popular species among aquarium hobbyists for their aggressive nature, impressive size, and unique teeth.