Can insects, crabs, spiders, and other animals with an exoskeleton become overweight or obese?

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If so, how does it work? Do they just molt into larger skeletons?

In: Biology

8 Answers

Anonymous 0 Comments

Hey I posted about this on r/askscience a while ago.

I have a PhD in insect physiology specializing in insect metabolism.

Insects can develop obesity like symptoms and what looks like type 2 diabetes. The extra fat doesn’t make them bigger in their exoskeleton, but does get packed in there. Here’s a paper on dragonflies that get obese!

[https://www.pnas.org/content/103/49/18805.short](https://www.pnas.org/content/103/49/18805.short)

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