Ramshorns would most probably eat green algae but the thing is, they reproduce a lot and are invasive.
Originally Posted by VAtanks
Not sure the proper name for the three in my tank but their shells are cream and brown striped, seems like all they do is eat...three cleaned the whole front glass in about 6 hours. It was cool seeing the clean trails they left behind.
The cream and brown striped snail could be assassin snail or zebra nerite snail