snail death

Every day for the past three days I have been losing a mystery snail. My nitrates were very high (40 ppm) so I've been doing water changes every day to get them down. Now it's at 5ppm and still losing snails. The only symptom they have before dying is that they turn greyish. Still active, still...

So, a snail in my dad's tank died. It's been there for at least a year, I don't remember. However exact age is unknown since it was a river snail. I think that most likely one of the other fish ate it, but he insists it was old age. I highly doubt that because that's his go to whenever...

My tank has a serious algae problem. The only place to put my betta tank was by a window, and now there is a constant film of algae covering everything. Now, I wanted to add a nerite snail to the tank to help eat some of the algae, but, after moving around for a day, he stopped moving and died...

I've had a nerite for three or four months now, and a few days ago I found it upside down on the bottom of the tank. I gave it a sniff, it was alive. Anyways, I placed it on top of a decoration a few days ago, and it hasn't moved since then. I pulled it out of the tank today. It smells more...

Hi, I keep 2 Mystery snails in my tank.  This morning when I went to go feed the fish, I found a snail up at the top of the heater.  I'm not sure if it was floating or had latched on, but there seems to be a large fleshy part torn from the snail and protruding in front of it.  The shell is...