Emerald crap got huge.

Discussion in 'Inverts' started by blazinlow89, Dec 6, 2009.

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  1. blazinlow89

    blazinlow89 Spanish Shawl Nudibranch

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    Emerald crab got huge.

    We bought an emerald crab about 3 months ago to help with algea control and he worked great, we had another one before that which we got from reefs2go.com but he was a pail red. When we got him he was maybe at the most an inch around now he is pushing 3.5, im amazed at how fast and big he got.

    Two questions how big can these guys get? Do they actually eat red algea, we have some small patches that keep going away, but they sprout back up later?

    [​IMG]
     
    Last edited by a moderator: Dec 7, 2009
    blazinlow89, Dec 6, 2009
    blazinlow89, Dec 6, 2009
    #1

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  2. stepho

    stepho Panda Puffer

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    Most say they will get up to 2-2.5" not including the legs or the claws.

    I have an emerald crab and it has really big really fast too.
     
    stepho, Dec 7, 2009
    stepho, Dec 7, 2009
    #2
  3. horkn

    horkn Giant Squid

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    LOL at the title;), emerald crap
    :biggrinbo
    Yeah, they can get big.
     
    horkn, Dec 7, 2009
    horkn, Dec 7, 2009
    #3
  4. blazinlow89

    blazinlow89 Spanish Shawl Nudibranch

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    LOL it happens. I didnt realize it till after i posted it.
     
    blazinlow89, Dec 7, 2009
    blazinlow89, Dec 7, 2009
    #4
  5. drew3

    drew3 Blue Ringed Angel

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    haha ya i saw that two but ya ive seen some monster emerald crabs but ive never had luck keeping them alive and i dont know why
     
    drew3, Dec 7, 2009
    drew3, Dec 7, 2009
    #5
  6. peasofme

    peasofme Astrea Snail

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    crabs only live a few years
     
    peasofme, Dec 10, 2009
    peasofme, Dec 10, 2009
    #6

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  7. horkn

    horkn Giant Squid

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    In non reef situations, people keep having crabs come back. ;D
     
    horkn, Dec 10, 2009
    horkn, Dec 10, 2009
    #7
  8. ayjay

    ayjay Astrea Snail

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    lol...

    but ya back on topic, i always thought emerald crabs were called that because they are an emerald green color... not pink or red. and that they are good for eating bubble algae too. then again i've only been thinking this for about 1 minute and haven't done any research
     
    ayjay, Dec 10, 2009
    ayjay, Dec 10, 2009
    #8
  9. peasofme

    peasofme Astrea Snail

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    red shells i believe is from a late molt. or possibly the red ones are found at a deeper depth. i've also heard they turn green from the algae they eat.
     
    peasofme, Dec 10, 2009
    peasofme, Dec 10, 2009
    #9
  10. stepho

    stepho Panda Puffer

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    Its a red mithrax crab (Mithrax Ruber) rather than a green emerald crab (Mithrax Sculptus).

    They are two different species although closely related.
     
    stepho, Dec 10, 2009
    stepho, Dec 10, 2009
    #10