Identify Copepod

Discussion in 'General Discussions and Advice' started by waynet, 6 May 2013.

  1. waynet

    waynet

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    Could you please help me identify the attached copepod. Woke up this morning and the aquarium glass was covered in them. No signs of them on my fish (Striated Tang, Box Fish, Flame Angel).

    Currently approximately 3 mm in length, two long tentacles and between 12 and 14 legs and transparent/white in colour.

    Are they a problem? And if so, what do I do?

    Copepod.jpg
     
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  3. Tobes

    Tobes Retired Moderator

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    Leave them, they are great scavengers eating uneaten foods and also food for certain fish and inverts.
     
  4. OP
    waynet

    waynet

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    Thanks Tobes,
    BTW what are they called and where di they come from?
     
  5. belindamotion

    belindamotion Google Master

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  6. OP
    waynet

    waynet

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    Not sure whether Isopod or Amphipod

    Hi Belindamotion,

    From the images on the links you sent, I can't be sure if it's an ISOPOD or and AMPHIPOD,a dn from the descriptions it could be bad or godd depending on which one it is.

    Attached is a clearer photo. I don't know if I'm correct but it seems it has eggs as well.

    Copepod 2.jpg
     
  7. belindamotion

    belindamotion Google Master

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    What puzzles me is the fact that..by the sounds of it... you had an "outbreak" of them...usually they are harmless, beneficial and a natural part of you'r "cycling"(Copepods/Amphipod)..but I see you have fish in you'r Tank...how long has this Tank been running...?...did you introduce new Corals..? (they can hitchhike on Corals, LR etc)...

    PS: Did you change anything on you'r Tank...? I added ORCA Cubes and got Copepods of note exploding in my Tank..!!
     
    Last edited: 6 May 2013
  8. OP
    waynet

    waynet

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    I started the tank Dec 2012. I cycled the tank for 4 weeks before adding 2 damsels and ran for another 2 weeks. Then added live rock and 2 clowns, a boxfish, striated tang, flame angel and a powder blue. On 17 March 2013 I had an outbreak of ich that killed the powder blue, both damsels and the clowns. I removed the live rock (still at my LFS in safekeeping) and treated with cupramine. After three weeks the ich on the remaining three disappeared. However, I have not been able to re-install the live rock due to the residual copper (0.25). So there have not been any changes since I removed the live rock on 20 March 2013.
     
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