As title. Sorry the video isnt longer but its hard to get a shot of it. Thanks.
http://www.youtube.com/watch?v=YiYqPr5hkNg
http://www.youtube.com/watch?v=YiYqPr5hkNg
. Disregard this post, I thought you were asking about a pterdoras granulosus, in which case the answer is obvious. synodontis granulosus didnt even cross my mind.