Help me out here.

[whatcaneyedo]

There is a sebae anemone, 4 acans, 1 frogspawn, 1 hammer, 1 caulastrea, 3 trachyphyllia, 2 elegance, 1 lobophyllia, 3 chalice, 1 duncan, 1 platygyra and a tiger tail cucumber in my tank. All of these have been in there for 3-8 years growing amount the vermetid without incident. Could you provide a reference or link to the cases that you're talking about? Or even some pictures of what you are talking about in your own tank? What species of holothuroid do you have? I thought you bought a tiger tail but those aren't filter feeders.