Silly males.... I like the idea, but my problem has always been that my fish are too stupid to figure out that they can't go through the clear side of the bottle. It takes them forever (if they ever get it) to find the opening of the bottle and mosey on in. Zack ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com.