First record of Craspedacusta sowerbyi Lankester, 1880 (Cnidaria: Limnomedusae: Olindiidae) in the Proserpina reservoir (Extremadura, SW Spain) with notes on their feeding habits - Pérez-Bote JL; Muñoz A; Morán R; Roso R; Romero AJ (Belgian Journal Of Zoology, 2006)