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Thread: Jellyfish

  1. #1
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    Jellyfish

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    Freshwater Jellyfish avaiable in LFS


    http://www.pbase.com/plantella/jellyfish
    Last edited by benny; 2nd Jan 2006 at 10:27.

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    WTMFH?!?!?!

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    More information about freshwater jellyfish here...

    http://animaldiversity.ummz.umich.ed..._sowerbyi.html

    Cheers,
    I have dwarf cichlids in my tanks! Do you?

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    dq88, are you sure it's available in LFS?

    I have an old paper about freshwater jellyfish found in abandoned mining pools in Malaysia. Freshwater jellies tend to be much smaller than marine ones. I doubt they would survive in a tank with robust fish.

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    Malaysia also has fresh water jellyfish? Wow... Can we get the LFS to import them in? (More if already imported...) The last time I read, only Japan has such jellys...
    Read me! :bigsmile: http://justikanz.blogspot.com/

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    What do they eat???
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    Freshwater jellies are rare and are thought to occur only in undisturbed waters on a sporadic basis. Like their marine counterparts, they probably feed on plankton suspended in the water. I highly doubt they would make suitable, long term tank inhabitants, even if someone took the trouble to catch and ship them.

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    thinks: school of jellyfish in iwagami... waaaaaaaaaaa nice.

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    Quote Originally Posted by ranmasatome
    thinks: school of jellyfish in iwagami... waaaaaaaaaaa nice.
    Mmm.. interesting idea! submit that to ADA and see what Amano says

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    fresh water jellyfish are also found in New Zealand, but I seem to remember they were an introduced pest.

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    how on earth does one introduce jellyfish? it's not like they're regular stowaways on planes...

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    Quote Originally Posted by XnSdVd
    how on earth does one introduce jellyfish? it's not like they're regular stowaways on planes...
    Probably in the water ballast of boats, so they get “shipped” from country to country

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    But why would a ship pump it's bilge in a freshwater lake? and how for that matter? I've been sailing since I was 10. Never encountered anything like that...

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    Quote Originally Posted by XnSdVd
    But why would a ship pump it's bilge in a freshwater lake? and how for that matter? I've been sailing since I was 10. Never encountered anything like that...
    Many rivers & lakes of the world are used for shipping often made accessible by locks and weirs. I am not a mariner so do not know why one would “pump its bilge” but remember reading that ships regularly take on ballast & let go of ballast as their load changes for stability as they go upstream, downstream etc.

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    This is the case with the zebra mussels in canada.. go look at lake huron and the georgian bay.. its insanely clear waters due to the filtering by these mussels and the detrimental effects.. did a whole project on it..
    If i'm not wrong ships empty ballast just b4 docking because it is cheaper or somehting like that..i cant remember anymore since my head is filled with insect names now..lol.

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    Could it be that ship empties ballast as the port is not deep enough? The ship hull may scrape at the sea floor of the docking yard. Just a wild guess.
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    Ships regularly empty ballast water and then re-fill them... There are some research on reducing damage caused by emptying ballast water done in Singapore. Too bad I wasn't involved then and thus did not bother to read up on this matter...
    Read me! :bigsmile: http://justikanz.blogspot.com/

    I'm crypt collecting... Starting cheap, now have Cryptocoryne beckettii, C.beckettii var petchii, C.crispatula var.balansae, C.griffithii(Melted! ), C.nurii, C.parva, C.pygmaea(Melted! ), C.tonkinensis(Melted! ), C.walkeri, C.wendtii 'Brown', C.wendtii 'Green', C.wendtii 'Green Gecko', C.wendtii 'Tropica' and Cryptocoryne x willisii

    Oh, juggling is hard work, man!...

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    so which LFS sells jellyfish now

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    Some summer ago, A friend of mine found some of that jellyfish in a local river... they are no so strange in river... what my friend found was the same sp. of that, they came from China... don´t ask me how they do it...

    Greet from Spain

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