WTF??? Crustacean

[tebo]

Gentlemen, I need your help to identify this crustacean if one xD

This animal was found in coral hiso elegant and apparently a hole in the base of the coral, the trouble is that plays fast

Here the photos and a video

http://i1043.photobucket.com/albums/b440/tebomarino/IMG-20130530-WA0010_zpse4843914.jpg (http://s1043.photobucket.com/user/tebomarino/media/IMG-20130530-WA0010_zpse4843914.jpg.html)
http://i1043.photobucket.com/albums/b440/tebomarino/IMG-20130531-WA0016_zps38ad09a1.jpg (http://s1043.photobucket.com/user/tebomarino/media/IMG-20130531-WA0016_zps38ad09a1.jpg.html)
http://i1043.photobucket.com/albums/b440/tebomarino/IMG-20130531-WA0014_zps26c64fb9.jpg (http://s1043.photobucket.com/user/tebomarino/media/IMG-20130531-WA0014_zps26c64fb9.jpg.html)
http://i1043.photobucket.com/albums/b440/tebomarino/IMG-20130531-WA0013_zpsb37965a3.jpg (http://s1043.photobucket.com/user/tebomarino/media/IMG-20130531-WA0013_zpsb37965a3.jpg.html)
http://i1043.photobucket.com/albums/b440/tebomarino/IMG-20130530-WA0012_zps767c7abc.jpg (http://s1043.photobucket.com/user/tebomarino/media/IMG-20130530-WA0012_zps767c7abc.jpg.html)

http://s1043.photobucket.com/user/tebomarino/media/VID-20130531-WA0017_zpsa8b465c7.mp4.html

Saludos

[kotlec]

Thought new acronym for new variation of scrubber ....

[Floyd R Turbo]

Wow that looks like something out of "Alien"

[sabbath]

Looks like a Gall crab to me and yes they are bad. I lost 2 elegance corals to them.

[tebo]

sabbath brother thank you very much i find on google with the name you gave me and in effect is that