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hitchhiker worm

  1. Pests, Hitchhikers, and Diseases
    Have seen this little guy for a couple of weeks, he has grown quite a bit since then. This worm is app. 3" long, perhaps an 1/8" thick. It can completely retreat into the live rock.. It is whiteish with brown stripes and my concern is he can reach where my new BTA has anchored (right side of...