tiger conch

We recently added a white clawed hermit crab, now named Sheldon, to our reef tank to help battle a hair algae problem. It’s a similar size to Dug, our tiger conch. However… not that I see them side by side, I’m concerned. Sheldon’s larger than Dug, but not by much. There’s not a lot out there...

Got a tiger conch yesterday and noticed these 3 small shelled snails with black mouths probing out. Any idea what they are and if they are harmful?

How do I best go about getting shells for my snails, conch, and hermit I currently have 1 blue legged hermit 3 nasarrious 3 Astreas 2 ceriths 1 tiger/strawberry conch the conch is already pretty big with his shell as the hermit. I have a 15G jbj nano. Where can you buy a pack of shells or...