My octopus hasnt been out at all for over a week, totally unlike him. Not zipping around, bothering my maintanence scraper, or being curious as he usually is. He has a nice den in the LR with a couple of rocks he pulls over like a door and hes been in there night and day. My questions is is he really comfortable or is this the beggining of senescene? He will actually grab food from a stick when I put it right outside of his den, or when a fiddler passes directly by...so it seems his appetite hasn't changed. Ive had him for 5 months now, I saw him grow for a good amount, so I assumed when I bought him (hummelincki) he was around a year old or less... I guess it could be that time, but I just wanted to hear from the experienced people on here.