Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Not everyone is a fan of snails, but there’s no denying the benefits they bring to a freshwater aquarium. Aquatic snails are fascinating creatures that bring color to a tank and help keep it clean.