What the heck is this?

[Joneskirby]

found these two hitch hikers on my live rock. One is white and the other is yellow and pop outs here and there. Anyone know what these are

 

[little_fish]

The first one is aiptasia, kill it quick!

Im not sure what im suppose to be looking at in the second pic, but im going to guess the white thing in the back? That is just a sponge, harmless filter feeder

 

[Joneskirby]

Yea it's the white thing growing down. So do I just pluck it out

 

[fastrd400]

Well the first one could be a Yellow Button polyp, never seen an Aptasia that bright. And the second, looks like a bleached out Kenya Tree hanging upside down. :dunno:

 

[Joneskirby]

Reading on aiptasia and that does not sound good. Yellow button I hope. Need to try to confirm it

 

[Waddi]

The first one kinda does look like an aiptasia, especially those tentacles, but the colour is a bit off, i say kill it with Aiptasia X anyway to be on the safe side.

 

[Joneskirby]

When in doubt take it out