11-30-2010, 02:26 PM
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question about zebra nerite snail
I'm worried that my snail isn't getting enough nutrients, especially calcium. I've put different types of vegetables in the tank for a few hours and he isn't interested in them at all. The only thing he ever eats is the algae on the glass of the tank. I've tried blanching the veggies, keeping them fresh and weighing them down with a clip, but nothing is working. He also isn't interested in the algae wafers I've offered him. He still looks healthy. He's active, mostly at night, and his shell still looks healthy. I haven't had him for very long, about six weeks, and I'm worried about the long term damage that this could cause if he doesn't get enough calcium. Fortunately my tank water is rich in it. Every other week I'm scrapping calcium deposits off the back of the hood where the water evaporates. What signs should I be looking for that could indicate he hasn't been getting enough calcium or other nutrients he needs?
One more question: is it strange for them to suddenly turn nocturnal? For the first few weeks I had him he was out all the time, cleaning the glass and exploring the tank. But for the last five days or so he only comes out after the florescent light is turned off. They're the same lights I had when he was introduced to the tank, but now he spends all day either on the bottom of the filter, on the bottom of the heater or inside the decorative rock. Any insights on this behavior change would be helpful. Thank you for your time.