Spheres?

[Istrom]

Hey all, I just found these spheres in my sand bed and I don't know what they are. Could they be eggs of some sort? Please help, thanks.


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[Cichlid-dude]

Looks like detritus on the sand to me, can you get a closer pic?


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[Ali-fish]

I don't think they are eggs. It looks like bigger sand particles to me!!


DT size is (150*60*60) cm
Sump tank size is (95*45*55) cm


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