You might find the recent Theories of Everything podcast interview [0] with Peter Godfrey-Smith interesting. Godfrey-Smith is the author of "Other Minds: The Octopus, the Sea, and the Deep Origins of Consciousness," which is a great read to delve further.

Two other interesting aspects of cephalopods:

  * Make many more changes to RNA than other invertebrates [2]
  * Have only one type of light sensing cell in eyes, so may detect color by chromatic aberration
0. https://curtjaimungal.substack.com/p/peter-godfrey-smith-thi...

1. https://en.wikipedia.org/wiki/Other_Minds:_The_Octopus,_the_...

2. https://www.sciencenews.org/article/octopus-squid-rna-editin...

3. https://news.berkeley.edu/2016/07/05/weird-pupils-let-octopu...