wierd slugs in my zoos. HELP

[calkrog]

Hello All,

one of my zoo colonies would not open up any longer, and upon inspection, there are all these little wierd slugs with brown spikes crawling all over them. i dipped in iodine, but it did nothing. what do i do?

apologies for the sorta blurry pics, but these guys are small !!





sorry about the links. i could not get both attached, or viewing right away. i dunno what im doing wrong. one should be attached



Thomas