need help identifying what is my tank

mdale10128

New member
I have tiny brown pinhead size possibly snails in huge numbers on my sandbed. They also are in the bottom portion of my glass and are getting on my zoas. they are on all rock rubble and empty shells even on crab and snail shells. I have not been able to identify them. I am not sure if they are hurting or eating my zoas. They are on the edges of some favia and on the trunks of my hammerheads and trumpet coral. there are literately thousands of them.

Does any know what they would be and how do I reduce their number
 

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