I was trying to kill time before I give a seminar later today...so naturally I went to Youtube and started looking at videos related to otoliths:
This one is long but it gives an in depth description about how inductively coupled plasma-mass spectrometry works definitely worth checking out:
Because all to often we forget that otoliths are more important to fish than to scientists here is this video (not fish but it's the same concept), also it explains how this blog got its name:
Also check out this admittedly older post from deep sea news about hearing in deep sea fish. The picture with the article makes it worth checking out.
And finally because everyone loves big fish (and otoliths!) check out the Florida Fish and Wildlife Conservation Commission sites overview of their research on tarpon. I was most interested by the otolith part but there is something for everyone here.