Dark color algae in sand bed

[Lhall9187]

This has started popping up lately, i stirred it up and syphend it up during the last water change, just curious if anyone knows what it is, i cant seem to find pictures of it in anyone elses tank

 

[lakereef]

Looks like cyano to me. It's actually bacteria and it's pretty common.

 

[Lhall9187]

Looks like cyano to me. It's actually bacteria and it's pretty common.

Thank you, now that i look up pics of cyano specifically i can see some resemblance, i don't mind it honestly it's only on the sand so it looks kind of neat