I was drawn in to this book by the cover – it wasn’t something I had planned on picking up or reading, yet the octopus on the front drew me in and I read it cover to cover in two sittings.
I have a bit of a history with the octopus – back in my first year of university I wrote an essay about them, and in researching them I became fascinated by the whole family of cephalopods. They are such interesting, inteligent creatures and this book explores the evolution of them compared to us. I was also quite keen on evolutionary biology when at university (although, let’s not talk about that exam) and it’s one of those subjects that I just love reading about for pleasure. This book brought together two aspects of my degree that I loved, and as such I really enjoyed this book.
One of the most incredible sections of this book – one that I read more than once – was the section about how cephalopods like octopus, cuttlefish and squid are able to change colours. Now that in itself isn’t surprising, most people know that they’re able to change colour, what actually made me quite sad was the revalation in this book that they are all likely colourblind so can’t see the beauty themselves. I also found the section on the aging of the animals an interesting read because I was niavely under the impression that they could live for many years but that’s a misconception and they’re lucky if they live past one breeding season (in the case of females).
The author explores the development of the cephalopod brain and compares it to our own. He highlights how the development of mammalian and avian brains differs to that of cephalopods, and how differently we process information. What is established in this book is that cephalopods look at the word in a very different way to us (in spite of the fact that eyes and vision in general is quite similar, though evolved completely independently from each other). The stark differences between mammalian and cephalopod brains and cognition is likely the closest we’ll ever get to exploring the concept of alien intelligence because neural pathways and the brain in cephalopods evolved separately to those same traits in the mammalian world.
Putting it in to perspective, biologically an octopus is more closely related to a snail than humans, yet psychologically and on an intellectual level an octopus is very close to humans.
My only wish is that there was more science in it. I found that there was often tangents and side-notes, and it erred into the realms of philosophy opposed to science which is fine in moderation but I felt it happened all too often. I’d have loved for this book to have been a few pages longer and just rounded off less abruptly. But on the whole, I really enjoyed it and would highly recommend it to someone looking for something a little different to read – it’s a very approachable book and the audiobook is absolutely fantastic (but you’ll miss out on the pictures of octopuses and cuttlefish).