The story of Thanassis the octopus, caught in the Mediterranean and kept in a person's aquarium there:

http://www.malawicichlidhomepage.com/aquainfo/marinetank53.html

Now, that is a cool article !!! I am glad to see he wrote about where mistakes were made, and the support needed, and how much fun it actually is to maintain an octo...very good read !!!
greg