If you are talking about such a small tank that the fish is touching all sides at the same time, then yes. But if you are talking about a little goldfish in a 15cm x 15cm tank then no, it will just be a bit uncomfortable.
No it won't hurt any fish but the fish might hurt the snail.
Cuz it is used to the small tank
a small fish tank.
no it will hurt the fish
no!! they can hurt ur fish!
It doesn't matter what tank they are in, it is the food you feed the fish.
No, newts eat small invertebrates.
Yes you can.
yes it would cause the fish to get a disese called ick a fish gets that sickness when they get scared or nervous
yes
No.
2.25