Snails タニシ

It seemed to grow waterweeds in my goldfish's tank.
So, I put little snails in my tank. They are eating ?  Their little mouths' moving is very fun.

最近金魚の水槽に藻がついたような。
前から入れてみたかったタニシ(正確にはイシマキガイ)を投入。ちいさい口？が動くのがおもしろい。