So i bought some zoa frags and a friend was holding them for me in a holding tank until my tank is ready....Been having trouble and this what i found!!

Not sure what it is, it may be a sea spider.

check this site for more info on hitchhikers

http://www.chucksaddiction.com/hitchhikers.html

http://www.melevsreef.com/id/pycnogonid.html