Is this snail reef safe?

PolypPocket · 2026-10-19T19:03:40-0400

I’ve never seen it do anything other that clean the rock but it seems to only show itself at night and it kind of looks like a sundial snail so I thought I’d double check here. Rock from TBS if that matters.

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saltwaterfish.com · 2026-10-19T19:12:55-0400

Looks like it might be a Collonista Snail, also called mini trochus snails. Reef safe algae eaters and they stay tiny.

PolypPocket · 2026-10-19T19:37:37-0400

saltwaterfish.com said:
Looks like it might be a Collonista Snail, also called mini trochus snails. Reef safe algae eaters and they stay tiny.

Thanks, that might be it! How big do those get though? I thought they remained teeny tiny. This is approximately 1/2”.

I did a google image search and came back with several options but I thought Agathistoma fasciatum looks promising. Do you think that could be it since it’s Florida rock?

I suppose either way it’s safe to put back in the tank.

Thanks for weighing in