[youtube width=”680″ height=”400″]http://www.youtube.com/watch?v=lcPD1Ajp75k[/youtube] Most reefers are aware of sweeper tentacles that are large and noticeable in LPS corals, but we don’t think about the reach of SPS corals very much. Galaxea, Scapophyllia, Oulogyra and Euphyllia all have large and long-reaching…