Long term, a maxima can't stay in a 24G tank. These are part of the GIANT clam family and over time specimens can grow over 12".
I replied back to your other post asking the same thing:
https://forums.saltwaterfish.com/forum/thread/384718/maxima-clam-1st-grade#post_3371361
Try to post the question only once, not in multiple threads and you'll get better feed back and can keep all your info together.