Any idea what this is and what is it doing? I’m guessing it’s a large stomatella snail. It’s more than an inch long and looks like it’s blowing off some kind of powder. Just wondering as I haven’t added anything to the tank recently >2 months.
Large Stomatella Snail??
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Crabs McJones
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Stomatella snail spawning 
congrats
congrats 
You going to see small, tiny Stomatella all over the place. I love these guys. If there are no predators, they will be out all day. If you have snail predators, they will just come out at night and hid in crevices all day during daylight.
