I have had two sand sifting sea stars in my tank for over a year. They keep the sand surface nice and white.

Get a banded goby. Sifts non stop and always the first to eat the flake am pellets I throw in the tank

Any suggestions on cucumbers?


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Ya, avoid them

Yellow headed gobies. I have one in each tank and they sift non-stop.

If its an older sandbed (i.e. lots of stuff for it to eat), then sandstars are good, along with conch & nassarius snails. A lot of sand sifting gobies become PITA due to burying your corals on the sand bed all the time.

Anthony