Yes, in my old 33g seahorse reef tank, back around 2003, I would see one of these tiny "jellies" flitting about the tank every couple of weeks. Sometimes as many as 3 or 4. I think they are the medusa stage of hydroids. Cool addition to a tank's biodiversity. I think there was only one tiny patch of hydroids on a piece of live rock in that tank.
02-14-2015, 04:54 PM
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