Trematodos Ectoparasitos de los Peces de las Costas del Pacifico By Guberlet, John E. Books / Paperback Nature › Animals Publisher: Instituto de Biología, January 1936 Price $25.04 Free Shipping Send to a friend Used - Good Good condition. Spanish edition. Stamped on cover. Writing on cover. Stamped on inside. Writing inside.Translation: Ectoparasitic Trematodes of Pacific Rim Fish. (Trematoda, Flukes) $25.04 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.