Couple years ago I bought cleaning crew of, In that list I had little hermit crabs. Maybe 1" size. Also 3" fighting conch. Just now I saw a hermit moved into this 3" conch. And he is massive! Do they become unsafe for reef?
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I like this idea, i might move my to sump also! i hope they eat brisle wormsI caught one of my Halloween Hermit Crabs trying to assassinate one of my snails. I loved him to the sump for three months. I moved him back into the main display tank recently since my tank is starting to mature so there isn't as much algae anymore which I assume means my snail population will diminish. For hermit crabs I now only get the blue legged crabs since they are the smallest species of hermit which are widely available.