Hi,
Welcome to the community.
Petco, Petsmart and most local fish stores (aka
lfs) will have these in Ivory or Striped or Black, as well as Blue which looks somewhat grey shell.
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New to FW fish? First tank in a long time or EVER??? Need some info on keeping fish?

Start here - Aquarium Advice Article
https://www.aquariumadvice.com/guide...ater-aquarium/
FW Favorites right now Clown Loaches, any shrimp - SW Vase Red Mangroves