looks nice clams are easy to keep finding the right light levels takes a week or so as long as it oppens stay collerd and keeps markings your good. if it hops around (may here a clicking noise) shows little mantel extension you may need to move it. always be carefull wen moving them rock them back and forth before you lift it as they can attache to the rock in just a few days. watch your alk levels as your demand will jump