Snail I.D.?

[3fsh]

I tried posting this in the pictures forum, but no one replied, so I'll try here! Here is the link:

http/www.fishforums.net/index.php?showtopic=62567

Anybody have a clue what type of snails they are?

 

[acsuth]

looks like a planorbid specie to me -- common ramshorn

 

[Teelie]

I've got one that's similar, though it's shell has no spots and is almost black. A Ramshorn for sure.