Rock driller

Discussion in 'ID Needed' started by Jacojs, 31 Dec 2015.

  1. Jacojs

    Jacojs

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    Hi everyone.

    I dont have a photo of the creature but I can show you what it is doing. It seems to be drilling or digging in the live rock, there is a pile of white powder forming and I can sometimes see some of it fall out of the rock onto the bottom rock. See photos.

    2015-12-31 16.57.41.jpg

    Powder on bottom rock.
    2015-12-31 16.56.28.jpg

    There is a Brittle star higher up in the rock but they dont do this do they?

    2015-12-31 16.58.14.jpg

    Thanks!
     
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  3. OP
    Jacojs

    Jacojs

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    Please tell me Eunice worms don't do this! Nobody ever heard of or had anything similar happen?
     
  4. viper357

    viper357 Admin MASA Contributor

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    I've had something like this before, never knew what it was though. You do get rock boring urchins and I'm sure there's worms that will do this as well.
     
  5. OP
    Jacojs

    Jacojs

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    So could be good and could be bad will just have to wait and see. Thank you viper. I will keep trying to see if I can see what's doing it and will post if I catch a glimpse of something, if I'm very lucky maybe a photo.
     
  6. OP
    Jacojs

    Jacojs

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    I don't know if I am being paranoid but I swear I can hear clicking inside my tank! How loud can a baby mantis click?? I have heard about 6 to 7 clicks now in about 5 minutes and it's actually still going.
     
  7. OP
    Jacojs

    Jacojs

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    I tested my ammonia and it read 0 so I added another ml of ammonia to test again in the morning. The clicking started soon after I added the ammonia.
     
  8. EFJ

    EFJ MASA Contributor

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    Where did you buy the live rock, private or at a lfs (please no names)? Also check for a cordless drillind machine drifting in the tank..... All jokes aside, would like to know what it is. If you bought from a lfs (local fish store) maybe they can tell you where they got it from and if they have similar problems. Hopefully not somthing that can cause problems. Cilcking may be a mantis but I think some snails or also do that (please correct me if I am wrong). Try and get some stability to help with the cycling less stress on the current inhabitants.
     
  9. OP
    Jacojs

    Jacojs

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    Haha. About 4kgs of live rock from a lfs. I am using special blend with this cycle. Not as good as stability?
     
  10. viper357

    viper357 Admin MASA Contributor

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    Could be a Mantis or Pistol shrimp.
     
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  11. EFJ

    EFJ MASA Contributor

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    Special blend vs stability, well both are good and bothbhave good results. Stuck to what you have started with (sorry you didnt refer to what you were using, as they asumptions is the mother of all stuffups my stuffup).
     
  12. EFJ

    EFJ MASA Contributor

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    Damn big fingers on a small typing pad, mis spelling is a huge prob.
     
  13. OP
    Jacojs

    Jacojs

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    No worries EFJ. I'm sure you can use both together as well.
     
  14. EFJ

    EFJ MASA Contributor

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    Variety can always give better benefits than just trying to stick to one. It is a personal preferance, like trying to get a variety of bactetia from different reefers.
     
  15. OP
    Jacojs

    Jacojs

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    @Viper do both of these dig or burrow into live rock?
     
  16. EFJ

    EFJ MASA Contributor

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    Like taking a spoon of sand from different systems. Everything has its pros and cons.
     
  17. EFJ

    EFJ MASA Contributor

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    I think Viper357 is refering more to the clicking sound.
     
  18. viper357

    viper357 Admin MASA Contributor

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    From my experience, the mantis prefers to burrow under rock in the substrate although they do live inside live rock as well. Whereas I think pistol's prefer to live inside rock, so it's possible the pistol may be burrowing in the rock, I'm not 100% sure, will need to do some reading up on it.
     
  19. OP
    Jacojs

    Jacojs

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    AHA! @viper357 I literally just saw what I would say is a pistol shrimp :slayer: It has an almost transluscent body and one huge pincer. It was about 1.5cm long. Very fast and pretty shy even with the red light i used.

    Now this is not a bad hitch hiker to have right? How big do they get? Most importantly, how do I keep it alive? My tank is still cycling, what will it eat and how do I get it to him? Will it eat the britlles in the tank?

    So relieved its not a mantis shrimp but even if it was it would have been just as exciting!!
     
  20. OP
    Jacojs

    Jacojs

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    Okay, so I stuck a piece of prawn meat in the hole thinking he might eat it later and as I was putting the cover back the meat disappeared into the rock! At least its eating, I hope it survives. Is it cannibalism feeding it prawn meat :confused1:
     
    Last edited: 3 Jan 2016
  21. EFJ

    EFJ MASA Contributor

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    Glad you found out what is doing all the drilling. Survival of the fittest I guess.
     
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