Something is eating on the stem of my Euphyllia

Discussion in 'General Discussions and Advice' started by Raven, 1 Dec 2008.

  1. Raven

    Raven

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    Hi Hennie/anyone else out there...
    it looks like something is eating on my
    Euphyllia coral's stem, as there are a "hole" forming on two parts on the stem of the coral.
    The head looks fine - it's just on the hard part of the stem.
    i've noted some bristle worms on the coral (one or two), but I doubt that they are the son's of a guns that I'm looking for.

    I'll take a photo tomorrow.
    Any advice/ideas?

     
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  3. Darryl

    Darryl

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    Have you had a look with a torch about 2 hours after lights out?
     
    Last edited by a moderator: 2 Dec 2008
  4. Raven

    Raven Thread Starter

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    nope - not yet...will do so tonight.
     
  5. Mtroboer

    Mtroboer

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    Hi Raven have you tested your calcium levels? Mine did the same when my calcium was below 400, the calcium skeleton started dissolving like this, but stopped once I got the levels to about 420 again.
     
  6. Raven

    Raven Thread Starter

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    off to test my Calcium levels...
     
  7. Raven

    Raven Thread Starter

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    Ca is 452....
    But I will have to test my Alk and PH just to make sure the readings are correct...
     
  8. Mtroboer

    Mtroboer

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    Do you perhaps have any Hermits? Could be that there is some algae growing on the skeleton and that the Hermits are damaging the skeleton while grazing on the algae...
     
  9. Reef Maniac

    Reef Maniac MASA Contributor

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    My tank's calcium level very rarely exceeds 380ppm, so I don't think this is the problem...

    Yup, post pics - it will help. Also, do observe the tank after dark, using a red light if possible. If something is eating the coral you might just be lucky enough to catch a glimpse of it...

    Hennie
     
  10. Falcon

    Falcon

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    It's that black slug lol i told you to take him out!
     
  11. Raven

    Raven Thread Starter

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    I do have some slug like creatures running around in my tank....Starting to suspect them..But they were in my tank for a very long time now.
    So why only start eating my corals now?
     
  12. Raven

    Raven Thread Starter

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    Some pics on the eaten coral....help please

    [​IMG]

    [​IMG]

    [​IMG]
     
  13. Raven

    Raven Thread Starter

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    Can a slug eat thru the hard stem like this..?
    What about bristle worms...can they be the bastards causing this?
    My lights are off for + 30 min now - will do hourly inspections tonight to see if i can catch the culprits...
     
  14. Reef Maniac

    Reef Maniac MASA Contributor

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    That's probably a fish, urchin or snail having a calcium snack. If you do have any urchins, that would be my first suspect...

    Hennie
     
  15. Raven

    Raven Thread Starter

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    urchin- not that I know of..
    Can my sailfin tang be the culprit?
    other fish in my tank:
    1. Chromis
    2. Yellow tail damsel
    3. Fox face
    4. bangia cardinal
    5. clowns
    6. fire gobie
    7. cleaner shrimp
    8. all that i can think of now...
     
  16. Shaun

    Shaun Retired Moderator

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    You can get urchins from your LR. Know a guy that never bought them but ended up with quite a few.
     
  17. Raven

    Raven Thread Starter

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    I didn't add any new LR for in the last year or so.
    this coral is in my tank for the last 6 months or so.....Only now that this happens.
     
  18. Darryl

    Darryl

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    I have never seen anything like that before! Something must be eating it after dark!
     
  19. Raven

    Raven Thread Starter

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    Ok - I was up a couple of times last night. (I was doing the toilet drill in any case)
    i've noted one of those "round" star fish (you see them in the rock pools under the rocks) on the coral. It was there from +- 21:00 hours - till 05:00 when I decided to remove him.
    It was staying on one spot the entire time. The coral was not damaged, but the area looked "clean"...
    Unfortunitly I dropped the little bugger in the tank again (by accident).

    I've also noted little worms in the "eaten" parts of the corals. They are very small red worms - it might be bristle worms - but I can't say for sure. And they are too small and to far to take a photo of them.

    So - Should I frag this coral - and take the "bad" parts out?
    Or should i leave it in?

    None of the other Euphyllia have this. I still have a bunch of pieces of Euphyllia left that Hennie brought thru (the ones that some of you never collected!) -and all seems fine! It is just the one (and sadly it's the biggest on longest in my tank with the most heads.:()

    PLEASE HELP!!!!!!
     
  20. Falcon

    Falcon

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    TAKE IT OUT AND GIVE IT A IODINE DIP,just in case it is a bacterial infection.but do those worms look like nudis?
     
  21. Raven

    Raven Thread Starter

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    IODINE DIP - I'm a bit on the sceptic side about this - no they rather look like bristle worms..
     
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