D-Nak
Active member
My Gigantea eats day or night. Essentially when ever there is food
+1.
And my old gig ate snails. I know because I had missing snails and empty shells at the foot of the rock that my gig was on. I think snails somehow fell off the back wall and into the gig. There was also a time when I placed a snail on my SeaSwirl to clean it, and it fell off and into the gig, which quickly covered it up with its tentacles, so I was unable to retrieve it.
I'm guessing your assumption is right -- it ate a snail and is having slight issues pushing the shell back out.