The Atlantic mudskipper (Periophthalmus barbarus) is a species of mudskipper native to fresh, marine and brackish waters of the tropical Atlantic coasts of Africa, including most offshore islands. This species occurs on the tidal flats of mangrove forests where it readily crosses mud and sand surfaces out of the water.On Principe can be found in any waterway more muddy.Locally called "Charroco", It is eaten in some communities with greater proximity to river areas.