What's going on with my urchin?

[Dekon]

My tuxedo urchin is emitting white "smoke" from about four different spots on his top. Just trying to find out what's going on. Here's a quick video. http://cloud.tapatalk.com/s/5ce5f00be8887/20190522_205227.mp4

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[Aquatic Nerd]

It's trying to make more urchins

 

[Dekon]

Thank you, I thought it was dying.

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[Aquatic Nerd]

Thank you, I thought it was dying.

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You'll see it shed its needles if it's doing bad