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OK, I saw it this time. I did not see it move or swim-just drift. My guess would be it was something that the tunicate sucked in, rejected, and blew out. I would think a tunicate baby (planula?) would be much smaller than that. It would be super cool if it was some free swimming stage of barnacles or something. Have you seen more than one?
Whatever it is, you appear to have some happy, healthy tunicates, and who knows what else!
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As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey
Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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