Selection of sponges as substrata by Zyzzyzus warreni Calder, 1988 (Hydrozoa, Tubulariidae) in the São Sebastião channel (Brazil) - Campos, C. J. A.; Pinheiro, Ulisses dos Santos; Marques, Antonio Carlos; Migotto, Alvaro Esteves (Workshop of the Hydrozoan Society, 2003)