new things any ideas?

tricities55mix

New member
ok so I have a 55 gallon tank marine and coral I have green star polyps, blue mushrooms, and a new frag of zoanthus polyps.

my green star polyps have a growth I have noticed for a little while and have wondered what it my be its a dark brown almost column growing out of the polyps any ideas? have a picture with an arrow pointing at it.
polyp coral.jpg

also I have noticed these yellow circular deposits as well look almost like eggs stuck randomly all over the rock but have a coral look to the with a column growing seeming out of the middle of them any ideas about these? the ones circled in the pics and one zoomed in fully on my phone.

yellow growth.jpg
yellow.jpg
growth.jpg
 
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