Lines & Matter · Field guide
Crustaceans
For an American lobster, growing means leaving its armor behind. It sheds its hard external skeleton and forms a new one. This process, called molting, is a striking example of the challenges of living inside a shell.
A question to exploreWhy might the time between an old shell and a new one be especially vulnerable?
Read more: NOAA Fisheries ↗
For learning and art, not identification or safety advice. Guide use & limitations
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About poison, venom & responsible observation
Poisonous organisms can cause harm when toxins are swallowed or absorbed. Venomous organisms deliver toxins through a bite, sting, or other wound. A species can be both. An absent annotation never means safe to handle or eat.
Read the Natural History Museum explanation ↗