What does a baby whelk look like?

[hermitkrab]

I got some nassarius vibex and obsoletus (sp.?) and I noticed small nassarius looking white baby snails moving around in my fuge on the glass and now in my main tank. I don't know how to tell if they are baby nassarius or baby whelks. My tank is almost 1/2 a year old and I've never had a whelk but I just recently (like a month ago) got some new lr and ls for my refugium. So what is there difference in appearence between a baby whelk and nassarius?

 

[tizzo]

Whelks are at the bottum of this page and baby ones look the same only smaller.
https://www.saltwaterfish.com/vb/showthread.php?t=163870

 

[hermitkrab]

Thanks Tiz. Well I guess you can just tell from how they behave and there shell's shape. Glad my nassarius are reproducing succesfully. Another great benefit of the fuge. Thanks again for the positive info. I always think the worst.