Jennifer Mather is also a strong advocate of ethics in cephalopod experiments... and kitchen. Afaik the pseudo-scientists in many countries can do to them anything they like without anaesthesia - not that we can tell how effective anaesthesia is in those species. Same about lobsters - tell that to idiots who buy the "humanely skilled" bullshit.
I can lend you a great book she co-authored, "Octopus: The Ocean's Intelligent Invertebrate". After you finish the two previous ones