self sustaining mini ecosystem - Page 2 - Nano Aquariums - Aquatic Plant Central

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Nano Aquariums Nanos aquariums may be small but they can make a striking canvas for your aquascapes.

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Old 02-19-2014, 12:56 PM   #11 (permalink)
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Default Re: self sustaining mini ecosystem

Any pics?
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Old 02-14-2015, 08:19 AM   #12 (permalink)
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Just wanted to record for posterity that my little Eco-Sphere is now over five years old. It's been completely sealed and sitting on a table in the dining room the whole time. One of the three original shrimp is still scooting around.
Six, now. He's eked out another year. Amazed at life.
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Old 09-21-2015, 06:27 PM   #13 (permalink)
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Another seven months since the last report. He's still going. No input but light and other parts of the EM spectrum.
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Old 09-22-2015, 05:40 AM   #14 (permalink)
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Default Re: self sustaining mini ecosystem

How's that for an unsolicited testimonial?
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Old 09-23-2015, 09:31 AM   #15 (permalink)
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Default Re: self sustaining mini ecosystem

"Pics or it didn't happen!"
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Old 09-26-2015, 09:03 AM   #16 (permalink)
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Default Re: self sustaining mini ecosystem

Alright... here's a very short video of the little guy swimming in his closed sphere, from 2 days ago:

https://dl.dropboxusercontent.com/u/...924_200140.mp4
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Old 09-26-2015, 01:38 PM   #17 (permalink)
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Default Re: self sustaining mini ecosystem

thats amazing

so you're saying that shrimp is over seven years old now? Is that actually possible?
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Old 09-27-2015, 02:40 PM   #18 (permalink)
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Default Re: self sustaining mini ecosystem

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thats amazing

so you're saying that shrimp is over seven years old now? Is that actually possible?
Yes, that's right. It's amazing. There were three shrimp at first, one didn't go a year, the second was several years.

I wonder if stability of its environment may have a lot to do with it. Stable temperature, consistent food, no predators or pathogens...

No stress in that little pod. Need to get one for myself
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Old 10-06-2015, 11:20 AM   #19 (permalink)
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Default Re: self sustaining mini ecosystem

Thanks for the video. I didn't realize it was quite so small. I think I'd feel guilty keeping him in there, but that's just me.
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Old 10-06-2015, 02:34 PM   #20 (permalink)
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I think I'd feel guilty keeping him in there, but that's just me.
Yes, it's an interesting question to discuss - is it fair to keep him captive?

To many people, a fully-enclosed sphere seems less ok than an open-top tank. Interesting to ponder why that is...

Some facts:
a) He's not starving, clearly
b) No companionship for the last few years (c.f. The Martian)
c) No stimulus like wind, rain, current, belly rubs; no intellectual stimulus either
d) Range of motion: The sphere's diameter is about 15x the shrimps body length, so longer than many of the larger fish in home tanks or goldfish or bettas. (I'm not proposing that those are fair! I think to be really ok, we need tanks so big that natural range isn't limited at all, like 1000x bigger)
e) No predators or pathogens
f) No chance to procreate

Does this case have a different moral situation than keeping any creature captive under any circumstances? Discuss.
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