Conroy % Herman's Textbook of Fish Diseases, TFH 1970, gives Aeromonas liquefaciens forma ascitae as the causative agent for dropsy. Has the thinking changed since my very old reference? Join the AKA at http://aka.org/modules/tinycontent0/index.php?id=9 Archives are at http://fins.actwin.com/killietalk/ Modify your subscription at http://www.actwin.com/mailman/listinfo.cgi/killietalk