This thing was constructed on June 23, 2009, and it was categorized as Reef Aquarium.
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Although mad scientists have been trying to keep fresh and saltwater fish together for some time, and some even claiming success, this video is some of the first evidence that some scientists are that crazy (and that it is really possible). The video above was shot at Aquarama 2009 so the fish are in a temporary situation anyway but we assume that the developers of this new product from GEX have already experienced longer term success. So how does this system work and what is it exactly? Well disclosures about the true nature of the system are sparse but we believe it is a combination of two factors: Some kind of particle or nanobubble in the water which behaves similarly to salt for one of the types of fish but not the other and a form of salinity compromise which is clearly visible in the fish in the video. You’ll notice that all the saltwater fish are aggregated near the bottom and the freshwater fish are all near the top. This type of vertical stratification is exactly what we would expect to see if you placed freshies in saltwater and salties in freshwater. So does this video tickle your curiosity bone or is this just a gimmicky technique which has no place in a real aquarist’s tank? Take the poll and share your thoughts in the comments.

Freshwater and Slatwater Fish Living Together

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This thing has 4 Comments

  1. B
    Posted June 23, 2009 at 9:41 am | Permalink

    Whats the salinity in the tank, cant mollies and guppies deal with salt water?

  2. Posted June 23, 2009 at 3:00 pm | Permalink

    This cant be good.
    Mollies and guppies can stand to be acclimated (mollies I know for sure) slowly to a salt environment. I believe they live in waters where fresh mixes into salt. But there are goldfish in there!!! Definitely not a salt loving fish.

  3. BP
    Posted June 23, 2009 at 6:25 pm | Permalink

    Yes, many freshwater fish can become acclimated to saltwater and most saltwater fish can survive in water with a salinity of 1.009 for extended periods of time. However, it’s healthier for fish to be in their natural settings than in water that is abnormal for them. I’d highly discourage people from doing this to their fish. Both saltwater and freshwater tanks can be very beautify, and in my opinion, more beautiful than combining both types of fish in one system. Besides, what is the benefit for combining the fish besides for trying to draw some attention to themselves.

  4. Elebriend
    Posted June 23, 2009 at 9:14 pm | Permalink

    (Jim)OOOOh, what’s that?
    (Bob)That my friend is my chalice coral. Cost me 169.99 from liveaquaria
    (Jim) Oooh oooh oooh and what’s that?
    (Bob) That’s an oscar. Picked him up for 1.99 at petsmart.

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