Please ID

[sanchezkk]

This showed up in my tank but I haven't added anything to my tank for at least a year. What do you all think?

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[54seaweed]

looks to be green polyps , looks like you got lucky (maybe dragon eyes)

 

[sanchezkk]

Green polyps of what?

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[Darylb]

Zoas


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[sanchezkk]

How could they have shown up?

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[54seaweed]

that's why its considered a hitchhiker,

 

[sanchezkk]

I haven't added anything to my system in about 1 year. How could they just show up?

 

[54seaweed]

they were deep in the rock and finally surfaced ,
another way they could have appeared is if you have green zoa's somewhere else in the tank and you had a few floaters that settled on the rock
I have so many things just show up that I haven't had in years that reappear
but I also keep my rocks as I upgrade

 

[Sniperhank]

I haven't added anything to my system in about 1 year. How could they just show up?

I had an elephant slug show up after a year in the tank. This rock came into me dry.

 

[sanchezkk]

That makes sense... Thanks