Mutualism between the sea anemone Antholoba achates (Drayton, 1846) (Cnidaria: Actiniaria: Actinostolidae) and the spider crab Libinia spinosa Milne-Edwards, 1834 (Crustacea: Decapoda, Majidae) - Acuña, F. H.; Excoffon, A. C.; Scelzo, M. A. (Belgium Journal of Zoology, 2003)