I have had my blue tuxedo urchin for about a month but just noticed this weird orange spot on it, I’m worried it’s a parasite. I have a 55 gallon tank, lots of other invertebrates, 10 fish, and plenty of algae for the urchin to eat. All my water parameters are at 0ppm.
Blue Tuxedo Urchin with weird spot?!
- Thread starter PoppyD88
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