Spotted Blue Maxima Clam3" in diameter, WYSIWYG and fully conditioned by WWC! Maxima Clams prefer to be higher and on your rockwork so that they can extend out their bysal strands and therefore attach themselves to your rock structure. They will also do better if given 4 to 5 hours of brighter daylight spectrum (10 to 14 Kelvin). Smaller individuals will appreciate a shot of fresh phytoplankton a couple times a week and be forewarned, once they start growing they'll suck up