<DOCUMENT>
<TYPE>EX-99.906
<SEQUENCE>3
<FILENAME>exh906.txt
<DESCRIPTION>CERTIFICATION 906
<TEXT>

   CERTIFICATION PURSUANT TO RULE 30A-2(A) UNDER THE 1940 ACT AND SECTION 906
                           OF THE SARBANES-OXLEY ACT

I, Bruce N. Alpert,  Principal  Executive Officer of The Gabelli Convertible and
Income Securities Fund Inc. (the "Registrant"), certify that:

         1.     The Form N-CSR of the Registrant  (the "Report")  fully complies
                with  the   requirements  of  Section  13(a)  or  15(d)  of  the
                Securities Exchange Act of 1934, as amended; and

         2.     The information  contained in the Report fairly presents, in all
                material  respects,  the  financial  condition  and  results  of
                operations of the Registrant.


Date: September 7, 2004    /s/ BRUCE N. ALPERT
      -----------------    -----------------------------------------------------
                           Bruce N. Alpert, Principal Executive Officer and
                           Principal Financial Officer

</TEXT>
</DOCUMENT>
