PharyngealPlate
Jennifer sent in this great photo of an intriguing find from Bognor beach, wondering what it is. I had a faint idea that it might be 'fish teeth' in some sense, and a bit of research confirmed this to be so. What we see above is the pharyngeal plate and teeth, perhaps of a drumfish. These teeth sit back in the throat of various fish species (including goldfish) seemingly with various different uses, such as grinding food and making sounds.

So now if you see something like this on the beach, you'll know what it is.

Thanks Jennifer.

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