I don’t know. I feel like I should know but I don’t. It seems like other people know, I don’t know why I don’t.
I just checked and every single textbook I own that contains a reference to this transformation uses an image of a sheep. Sadly all of my textbooks are in English. If I had any relevant texts in German or Spanish I doubt that they would makes this connection.
On an less relevant note one of the books introduces the idea of change of basis with a joke about labeling axes and has several different types of ax with corresponding labels attached and I find that to be a much worse joke.
I am in IT and I feel like I speak for the industry we don’t care. Some of my customers have regulators who make arbitrary and capricious decisions with a minimal understanding of infosec but we have to keep the customer compliant.
Even if your registrar goes out of business ICANN will help you restore the domain with a new registrar.
Source it happened to one of my customers.
Yes, that appears to be a spider.