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Crabs

Discussion in 'Freshwater Invertebrates' started by fish tamer, Oct 19, 2008.

  1. fish tamer

    fish tamer
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    are than any true freshwater crabs that wont need brachish water. and can just can stay underwater with no problems:confused:
     
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  2. Pyramid_Party

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    None that Ive heard of, but there is some land crabs. But I think they even need some access to some water, and the water is usually brackish.
     
  3. synodontisjack

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    there are crabs that do great in freshwater but they all need a land area.
     
  4. fish tamer

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    why do crabs need to breath air
     
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  5. kydsexy

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    ^^^ is that a serious question? if so, i will respond after the gym.
     
  6. Veneer

    Veneer
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    Yes, there are many true freshwater crabs ... including fully aquatic species that don't need land access. They show up less regularly than red-claws (one or a few species of SE Asian Sesarmids) and fiddlers (Uca spp.), both of which can tolerate freshwater but really need brackish and semi-aquatic conditions for long-term survival.

    Here's one such fully aquatic freshwater species, Potamonautes orbitospinus, the Malawi blue crab (from Lake Malawi, of course):

    [​IMG]

    Cardisoma spp. like this C. armatum (rainbow, Halloween, patriot, moon crabs) live in freshwater, but do best with a land area:

    [​IMG]

    See this page for the species you'll most likely encounter in stores.
     
  7. invisyblegypsey

    invisyblegypsey
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    a blue crab will live in fresh water
     
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