Renaud, Maurice L.2009-09-012009-09-011976-04Renaud ML. 1976. Observations on the behavior and shell types of Cypraea moneta (Mollusca, Gastropoda) at Enewetak, Marshall Islands. Pac Sci 30(2): 147-158.0030-8870http://hdl.handle.net/10125/10774Aspects of the ecology and behavior of knobby and smooth Cypraea moneta at Enewetak Atoll, Marshall Islands, are presented. The habitats of C. moneta are described. A series of experiments based on aggregation, feeding, and male-female pairing indicated similarities and differences between the smooth and knobby forms. Smooth morphs follow mucous trails only of other smooth-shelled forms of C. moneta, whereas knobby morphs follow the mucous trails of both knobby and smooth forms. The most preferred alga of the smooth morphs is Jania capillacea, the most abundant species in intertidal areas; and that of the knobby morphs is Schizothrix calcicola, a common subtidal species. Male-female pairs constituted 80 percent of the intertidal samples and 81 percent of the subtidal ones. In addition, smooth and knobby morph distributions were investigated in the Line Islands and elsewhere in Micronesia as well as at Enewetak. In all cases the smooth morph was found in the intertidal zone and the knobby morph in the subtidal.en-USArticle