Mystery Antenna Is Black Mystery Snail Sick?

Is black mystery snail sick? - mystery antenna

Hello,

Firstly, thank you ... the person, the answer to my last post ... very useful ... Now we have another problem ... My snail seemed fine until two days ago ... Before you had to go to bed snail big jump in season and out of the banana plant in the tank ... Walk in the morning "crumpled, crimped seemed almost shell ... then last night I hung on the tank ... I understand that this is common in the snail The same goes for Black Mystery snails ... has been very active for 2 days without eating ... ... is a piece of white gel like substance that comes from below ... Shell could be a sign of the snail is sick. .. filter tank, no snail Heating. .. very, very active, Before yesterday ... now keep the stuffing together to the point with the front shell grinding ... not dead, just moved a little antennas ... please help ... I really hope that "Gary" did not die .. . thank you!