BTW, my male was initially curious about the snail in his tank; no nipping but he'd bump the snail off the glass if the snail was obstructing his view, BUT, in the past 2 days, the snail actually went out of it's way to knock poor Butch in the head! He's swing his/her shell around if Butch was to close, and-wham!
The girls completely ignore their snail.
4 bettas: Butch, 3-year-old violet male PK EE & 3 girls in a 30 gal sorority. I do not name the girls anymore! 1/2 of them die within a month.
30 gal: 9 Oto cats, 4 Ocellifer cats. Inverts: Cherry shrimp & 2 assasin snails.
10 gal.: Butch, his 5 oto cats, 3 assasin snails, and a few snails the assassins haven't caught.