Unknown snails.....ID anyone ?
 

Have a lot of these snails, but not sure what type they are! Is there anyone who could offer up an ID of these? Thanks in advance and hopefully my picture linked up properly.

http://i1333.photobucket.com/albums/...psb01db2d1.jpg

Can you get any bettery pics? The one in the middle actually looks like a fighting conch lol.

Do they go under the sand? Their tubes look conch or nassarius like.

Some burrow in sand. Like to climb the glass in late evening and night. Rapid growth and increasing in numbers rapidly! Here are a couple shots of some I plucked out to get better shots.

http://i1333.photobucket.com/albums/...psd3e4e3b7.jpg

http://i1333.photobucket.com/albums/...ps02f5d3fa.jpg

http://i1333.photobucket.com/albums/...psf309fc76.jpg

One of the many species of Whelk?

Yup. I'd say whelk for sure now. Whelks tend to stay on rockwork and the glass. They also have more of a pattern on their trunk, and have a trap door shell on the back of their skirt.They breed like crazy. And unfortunately they can be carniverous. If you have other snails or clams...they might feed on them.

Nassarius snails tend to stick to the sand, move quicker, have solid colored trunks, and stay much smaller than whelks.