Can some please tell me what is this snail?

Hi Guys,

Can someone please tell me what these 2 snails are?

What are they doing? Are they mating?

Are they bad for my tank?

I didn't buy them they must have come with the plants I added.

 

Maybe Bladder snails?

 

They look like pink/red ramshorns to me. They are a great clean up crew and I have them in most of my tanks (not in the loach or pea puffer tanks).
Depending on your water hardness and if you overfeed or not, they may or may not become an issue.

 

They are dwarf ramshorn and I find them great in a tank, they don't seem to breed a fast as other snails

 

My favourite snail
Shells look awfully fragile... calcium will help (unless you wanna get rid of your snails)