In "Olive Shells of the World" Zeigler notes that a live individual of O. sayana citrina placed in an aquarium reverted to the typical sayana coloration. I was wondering if this is an issue of the substate the Oliva is living in, a dietary issue, or, for that matter, something else. Thanks Doug ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------