Hi Paul and All, I don't know if that's true or not, but I suspect it might depend on which cones you put in the tank with it. I'll have my tank set up in a few days, and I'll try it out. My money's on marmoreus to win, textile to place, and episcopatus to show... Cheers, Don Grid AH45 > Someone told me that if you have a tank full of really venomous cones > (magus, geographus etc) and toss in a couple of textile, within a week or > so only one textile will survive - having eaten all the others and its > cospecies too. Not so?