Tiger pistol/Blue spotted Watchman Goby pair

[rplank]

These guys are fun to watch. Shrimp is a little bulldozer.
http://smg.photobucket.com/user/rplank/media/Salty/20140925_122049.mp4.html

 

[sethsolomon]

Get a little male yellow watchman and you will have a pair (Males are yellow, females are brownish grey)