unsure

I have a newly set-up aquarium, and I bought this little guy because i thought it would sift through sand. It is never in the sane. At first it, it was on thr glass as show in the pictures, then it was on the live rock, and now it is on the glass again as in the current photos. My worry is: is...

Small bug on the glass, wondering what it is? Tank has been cycling for 7 weeks. It’s very slow moving and 1mm in length

I can’t tell if my Solomon tree is doing good or not, this is the most I have seen him standing up ever, but is he standing all the way up?