dissapearing

Hi all, Currently dealing with such a frustrating phenomenon. Two months ago one of my trochus snails started flipping itself on purpose. Even if I put it right again, after 5 minutes it flipped itself upside down again. Apparently this has been reported but no real explanation/cause has been...

Hi. My aquarium is almost a year old. Got bicolor who’s slightly bigger attacking everyone especially flame. Yesterday I added another 40 pounds of rock, built plenty of extra caves. But they’ve been at it for few days ever since I got them. First one died, didn’t make acclamation so bicolor...