Strombus maculatus snails

[smallreef]

Does anyone have any of these? They look like small conchs and multiple quickly in tanks. I used to have around 50 but lost them all around a year ago.

the look like this.

http://photobucket.com/gallery/user/OxInYourBox/media/cGF0aDovSU1HXzMyNTVDdXN0LmpwZw==/?ref=

http://www.reefsanctuary.com/forum/...trombus-maculatus-snail.240/full&d=1069863090

http://reefkeeping.com/issues/2004-07/rs/images/image010.jpg