Premières observations de quatre espèces de poissons allochtones à Rafraf (Nord-Est de la Tunisie)

Abstract

Many species of fishes, originated from Indo-Pacific Ocean, have penetrated the Mediterranean Sea via Suez Channel. Mainly are occurred at the eastern Mediterranean area, some ones are arrived at the western Mediterranean basin as these 4 species: <Hemiramphus far>, <Fistularia commersonii>, <Lagocephalus spadiceus> and <Siganus luridus> recorded, for the first time, at Rafraf locality. These observations confirm the extension of the geographical distribution of these species to the western Mediterranean area.