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Old 08-12-2017, 01:57 PM   #11
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Both of these creatures are difficult to keep, each for their own reasons.
Octopus are amazing escape artists and will end up on the floor dried up when you wake up in the morning. Even bricks on a lid aren't always enough do to their strength. The short life expectancy also plays into this.
As for jellyfish, they need a tank where they won't get stuck in corners due to lacking a brain and other such important things. This will be why you'll see jellyfish tanks as a circle or sphere.
All in all, much better ways to make headway into the hobby than these two choices.

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Old 08-12-2017, 03:42 PM   #12
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I would find ways to make it work if an octopus lived 10 to 15 years, but their short lifespan makes all of the effort seem kind of silly.

I'm probably on my phone.

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Old 08-12-2017, 08:53 PM   #13
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If you get a baby Hawaiian day octopus you get just under two years for it to live.

The problem is the pacific dwarf octopus looks the same as the Hawaiian day.

I have caught octopus thinking its a baby Hawaiian day and it would lay eggs that's when you know you have a dwarf.

The color is identical between the two. and they act the same. life expect the same.

The night octopus is beautiful green and white during the day, bright red and white at night.

But it spends all of the time buried in the sand. Comes out to eat at night and as soon as it eats goes and buries it self again. You only see it when it eats.

I have two dedicated octopus tanks. The hardest part was how to lock down the protein skimmer cup to the top of the tank and still make it removable.

I solved that problem. Acrylic hinge and acrylic lock. Same as all the tops.

If you cant catch your own octopus not worth having.

The night octopus is nasty, Does not give a second thought of trying to grab you and bite.

The night octopus does have poison. And hunts other octopus.

The poison isn't considered that potent, but its enough to take down a day octopus.
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Old 09-26-2017, 10:33 PM   #14
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Originally Posted by coralbandit View Post
I have seen 'pre made ' jelly fish tanks at LFS,

I believe they should never touch the sides or bottom of the tank !

The pre made units I saw were like flat sided fish bowls of 5-10 g that had a air driven filter that made the water run in a circular motion .This is supposed to keep the jelly from settling I believe..

I have never kept one ,but after 35+ years of marine and freshwater keeping and dealing with the same LFS and owners [father and son] I think the jellies are difficult also?


Yeah I saw the exact same one at my LFS. The tank has to be completely round and have a tornado like circulation or they will get stuck and die. They are very easy to keep Iíve heard.

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