Additional records of four fish species are reported from the Adriatic Sea are reported: Atlantic tripletail, Lobotes surinamensis (Bloch, 1790) (Perciformes: Lobotidae) ; blue runner, Caranx crysos (Mitchill, 1815) (Perciformes: Carangidae) ; fangtooth moray, Enchelycore anatina (Lowe, 1838) (Anguilliformes: Muraenidae) ; and silver- cheeked toadfish, Lagocephalus sceleratus (Gmelin, 1789) (Tetraodontiformes: Tetraodontidae). More evidence is needed to indicate establishment of populations of these species in the Adriatic Sea. Lessepsian migrant Lagocephalus sceleratus is the third Lessepsian fish species from the Adriatic Sea with more than one record.