Years ago, I had an octopus in a 20g tank with a screen lid on top held down by big rocks. To be honest, the octopus hid most of the time and only was really active whenever I threw in a live shore crab. Then you get about 30s of ultra cool underwater action before it pulled its victim into its cave and everything went calm again. Had it for about 7 months (ordered a small one to get a slightly longer life span in captivity). Didn't use a skimmer. Just did frequent water changes with a gravel vac to such up crab shells.
Cuttlefish are waaaay cooler IMO because they are actually out and swimming about.
Anthony
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10-27-2012, 05:58 AM
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