TY - JOUR T1 - The contribution of isopods in the feeding of Sympterygia spp (Pisces: Rajidae) with a description of Ancinus gaucho sp. n. (Isopoda: Sphaeromatidae) JO - Boletim do Instituto Oceanográfico A1 - Pires, Ana Maria Setubal SN - 0373-5524 UL - 10.1590/S0373-55241987000200002 VL - 35 Y1 - 1987 PB - Brasil ER -