Hi Warr, they are not Nassarius but Welks. Considered not reef safe by many experts.
Thanks for the heads up guys, I have been keeping an eye on them. I have never seen them on the reef but let them a sniff of dead fish or food and they clean up quick, quick.Yeh, whelk or conch but as already said, keep an eye on them warren.
Ha, Ha have had two losses since playing with this hobby and one was total ignorance on my part and the other was old/sick fish that came with my tank.That scares me, it sounds like it's a common occurrence that you have....dead fish lying around...:razz: