Horse Shoe Crab

My wife bought me a horse shoe crab for my birthday.

It is digging through the sand about 3/4" non stop. I have about a 4" deep sand bed.

Is it OK for this guy to be digging into the sand bed like this all over my tank?

Thanks,
 
that is what they do...it should be fine he is just looking for food or shelter. he is also stirring the sand bed which is good IMO. but on a side note they do get big, and not well lived in home tanks.

but happy b-day
 
I have to imagine it is doing a real number on your DSB. Not my choice personally, but it might be cool in a seahorse tank. :D
 
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