zooxanthellae or poop??

[fishkeeprian]

I have done a bit of research on this and the info I gathered is the poop is generally white and this stringly brown material is zooxanthellae, is this correct?

Thanks Ian

https://www.dropbox.com/s/kv8lf61ufv9x7g9/20161110_172852.mp4?dl=0

https://www.dropbox.com/s/ffuxgowmuzbh57n/20161107_165518.jpg?dl=0

 

[heathlindner25]

Looks like poop.