I'm a biologist by training. Now a professional educator.
I came to THR looking for advice about a shotgun that could be used for not only hunting, but self-defense. I already pretty much knew which model I wanted to buy (see user name), but hadn't decided which specific set of characteristics I wanted on it. (I ended up with a "P". Fine gun.)
As you know, speed of operation is
one (among several) important factors when using weapons for self-defense & food acquisition.
I move fast, write fast, dance fast, like fast music, etc. Thus, for my user name, I searched for a biological phenomenon exemplifying speed. I considered antelope (fastest NA land mammal); kestrel (blazing birds); & cheetah.
[Added by edit: I'll preface this by saying I don't study birds per se. Thus, I made a mistake in my original post. For years, I've held the mistaken belief that kestrels were fast. Doubting my accuracy, I checked the web. They are not. They are related to the fastest - Peregrine falcons, and are even in the same genus. But kestrels are relatively laid back. Good thing I didn't pick that name.
/edit]
Then, I remembered that nematocysts - the business end of 'stinging cells' that you
feel when you get tangled up with a jellyfish - are used both for defense & prey capture, AND are very, very fast. They evolved in cnidaria (that's jellyfish, hydras, anemomies, corals, Portuguese man o' wars, etc), but can be incorporated into other animals (e.g., molluscs) via symbiosis.
The sig line takes it from there.
(Just call me) Nem