help me identify PLEASE
hi, i bought a rock covered in shrooms from a fishstore about 3 months back, (tank is 4m old), well.....i just came back from vacation and the rock isnt a rock at all.....it has a mouth and a hole, im thinking some kind of clam, but i dont know how it has survived 3 months, i only have PC lighting, and i dont dose anything cept calcium......i thought clams needed phyto nd stuff
thanx for your time
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