I found this on a piece of live rock. i outlined it so that you can see it clearer. the left side is bare. the right side has what looks like they could be polyps. I attached a picture. hopefully you can figure out what it is from the outline
just recently, i have spotted worms in my tank. some are easily identified as bristleworms. but there are some that i cannot id. they are about 1/16 of an inch in diameter. they also have what looks like 3 or 4 antennae or tentacles on their heads. i would take pics but my camera doesn't take...
:?: i am building my own stand out of 2x4 and plywood and was wondering which was better for fastening the wood nails or screws and how i could keep them from rusting. are there certain screws or nails that don't rust