So, the other day, a colleague of mine, sent a pic of the above spines, collected from Wake Island in the tropical Pacific. They are deformed in ways that I am completely unfamiliar.
Here's a picture of the species that they spines are from (Heterocentrotus trigonarius)
Couldn't that be caused by parasites? I can't recall which ones in particular right now, but I know there are some that burrow into spines and cause weird growths.
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