look what i found

Discussion in 'General Discussions and Advice' started by 4age, 17 Mar 2014.

  1. 4age

    4age

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    look what I found in my tank this morning

    it looked suspect so removed it..any idea as to the specific species?luckily I haven't lost fish to predation..this guy is about 5cm wide

    [​IMG]
     
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  3. hansiemyburgh

    hansiemyburgh

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    Wow nice size.....
     
  4. Clowning

    Clowning

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  5. carlosdeandrade

    carlosdeandrade

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    That's an emerald crab. If it's pincers are more flatish and not sharp. Then def a emerald. The raised areas on it's carapace also point to an emerald
     
  6. 4age

    4age Thread Starter

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    ok.but isn't an emerald crab green..this one is grey with black claws..not really blunt
     
  7. Zandy

    Zandy

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    I have two emerald crabs that has almost turned black...(dark dark green) they do change colour Crabs can often adjust their color (slowly - it generally takes days or weeks) in response to environmental conditions such as illumination or background coloration
     
  8. Mewik

    Mewik

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    Yep looks like an emerald crab....wish I found useful things in my tank. They can be a wide range of colours from a lime green, yellow, grey to dark black. 5cm is a pretty large crab though and they will apparently eat livestock if there is not enough algae to sustain them. Just keep an eye on it & it should be fine.
     
  9. 459b

    459b Moderator MASA Contributor

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    I don't think that's an emerald. The pincers don't seem rounded enough and are normally less hairy.
     
  10. carlosdeandrade

    carlosdeandrade

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