p. 219 - 228 RECHERCHES SUR LES MADRAGUES MARINES ET LES PERSPECTIVES DE L'APPLICATIONS DES RESULTATS DANS LA PRODUCTION Romeo Elefteriu, Nicolae Jelescu et Adrian Cociasu Institut Roumain de Recherches Marines Constanta Abstract The paper describes a new type of so-calles "combined" set net with trap, designed, manufactured and tested by the Romanian Marine Research Institute of Constanta, ruding 1970-1971. The paper presents the advantages of the new type of set net with trap regarding its operation, catch and cost, all compared to the industrial sets net with trap as witness. These elements are in favour of the adoption of the type of set with trap in industrial fishing.