LMAO Niko...Sad to say but I've tried! I talk to them all the time, stuck up little buggers. Benny the blenny sits and listens to me quite often...Benny must be a woman...:dance2:
you can try....depending on how thick the glass is on the tank, they may just hear you !!!
Sorry, just wanted inject a little humour here....i will shut up now....
Niko