I used to catch octopi for food, after a while I just couldn't do it any more because they were such wonderful animals and I couldn't bring myself to kill them. After snorkling and SCUBA diving with a few without killing them, I came to appreciate them more and now I find killing them almost unthinkable. They used to be one of my favourite foods... good thing cuttlefish and squid taste just as good! (Don't ask me why cuttlefish don't excite me as much as octopi... perhaps it's just my belly having its say! I don't hesitate to catch and eat cuttlefish and squid) A few years ago I caught one of a small species and gave it to my girlfriend at the time, she was feeding it neon tetras from the local aquarium :lol: They're very special animals, and incredibly intelligent for invertebrates.
We had a cuttlefish in an aquarium at uni for a while, it used to eat all of the fish :lol: It was still there when I visited the campus earlier this year.