coral crabs that eat your acropora!

Discussion in 'Invertebrates' started by mandarinman, 4 Apr 2013.

  1. mandarinman

    mandarinman

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    i really enjoy coral crabs but one that must be avoided is CYMO MELANODACTYLUS
    [​IMG][​IMG] it will cause white patches on your acros and kill them off!
     
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  3. Nur

    Nur Starz

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    Looks like a yellow version of Elmo the Muppet.
     
  4. mandarinman

    mandarinman Thread Starter

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    Cute but deadly. I have seen one on a suppliers coral. I discussed it with him
     
  5. MistaOrange

    MistaOrange

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    Teddy crab? lol
     
  6. Visser

    Visser MASA Contributor

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    I had one that lived on my icecap acro for 3 months without really doing any damage (only picked off a couple polyps every now & then). He tended to stay on one section of the acro, so i left him there, but then one morning he moved to my birdsnest & there he did some major damage in one week, so i had to sump him.
    Unfortunately he didn't seem to eat anything other than sps polyps so about a week after that he died.
     
  7. dallasg

    dallasg Moderator MASA Contributor

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  8. mandarinman

    mandarinman Thread Starter

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    There are others that are beneficial but this specific one is a problem. The link is on fishchannel.com
     
  9. dallasg

    dallasg Moderator MASA Contributor

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    if you read the article
     
  10. carlosdeandrade

    carlosdeandrade

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    Thanks for clearing that up @dallasg. You certainly know you stuff!!!
     
    Last edited by a moderator: 26 Nov 2015
  11. mandarinman

    mandarinman Thread Starter

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  12. dallasg

    dallasg Moderator MASA Contributor

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    You missed my comment and the point of the article, I agree they bad, and so did they but in the wild they are beneficial and in our aquariums they aren't

    But thanks for sharing the link
     
  13. mandarinman

    mandarinman Thread Starter

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    I did see your article i just thought my article had some beneficial points so i wanted to share them
     
  14. dallasg

    dallasg Moderator MASA Contributor

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    It does, they do mention a lot
     
  15. mandarinman

    mandarinman Thread Starter

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    Ps if i see two corals and one has a crab on it. I take the one with the crab. The variants are amazing. They are like the gobies of the crab world
     
  16. deadmeat2016

    deadmeat2016 Wouter

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    Awesome dallas!

    I noticed a hairy crab lurking in my tank after adding some new LR, after a day i noticed he was getting close to my acro, looked when the lights went off and saw my acro crab pulling the hairy crab apart limb by limb!!
     
  17. ChrisRaubs

    ChrisRaubs

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    :eek: Sjoh, he must have really not liked him :eek:
     
  18. mandarinman

    mandarinman Thread Starter

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    There are so many things happening in our tanks that we miss. I saw one of my pompom crabs chase a huge emerald crab away from an area where the emerald was grazing![​IMG] on top of it all the emerald could have squished it in a blink. I can imagine the pom pom thinking to himself " Trust that emerald to bring a pair of pincers to an anemone fight har! har!"
     
  19. deadmeat2016

    deadmeat2016 Wouter

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    hehehe, battle of the crabs. At least i know my acro is nicely protected :)
     
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