@cstross@wandering.shop Guillotines might. Missing from the social media discussion of these is that this only happened to young sea slugs. Older ones just died after some days, and did not regenerate their bodies. https://sciencefocus.com/news/solar-powered-sea-slugs-are-able-detach-their-heads-and-regenerate-a-whole-new-body-within-weeks So the middle-aged sea slug oligarch/monarch, sitting all green on xyr emerald seaweed throne, is not as safe from the French Revolution as xe might think. I suppose that now you have an excuse to use '#kleptoplasty' and '#autotomy' in a story. (-: #SeaSlugs