 help calm/oyster question
im about to re aqua scape my tank for the final time with final amount of rock, i just got my last 10 lbs yesterday and i noticed on one piece 3 rather large clams or oysters stuck to the rock,they are all encrusted in coraline so it kinda looked like part of the rock at first. what should i do with these things? how do i pry them off.the rock is from florida if that helps.
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60g long,15g sump,remote 8gal fuge, 80lbs ls, ? LR lbs, ss65,koralia2 650 gph,mag 7,2 maxi jet1200 hooked up to wavemaker. 216 wattt5+130pc, o.clownpair ,
dragonete pair,sixline,coral goby,blue neon goby,4 scarlet hermits,pepermint shrimp.2 turbo's, green star polyps,green frogspawn,green toadstool, green finger leather,blastomussa,yellow pal,green zoas,pink candy & yellow trumpet,white tip torch ,mushroom's,colt. | 
