No idea!

I spotted these 2 things today, they kind of look like little anemones, but have these little pink balls at the end of their tentacles. The pics are poor, their small, but i'll try to get better pics.

 

Ball tip anemone if it has no skeleton. Hidden cup coral if it does.

 

You're good Cheryl! And wouldn't you know it the little anem looking thing with ball tips is called ball tip anem. There cute little guys, I wonder where they came from? Are they a nuisance?

 

Thank you,

No I have never heard of ball tips being an issue.

 

I have a few of these. All though they popped up in a few different areas including my sump, they never have been a nuisance IME.

 

They look like Pseudocorynactis sp. (AKA strawberry 'nems). I've never had more than a couple at a time, maybe 4 at most, as they're NPS and require feeding. I also know that they tend to prefer cooler water as opposed to tropical temps.

Do they look like this?

 

I haven't got a good look at their disk yet, all I have seen is the tentacles sticking out of rocks, just know the balls are pink.