Fish fry?

Discussion in 'ID Needed' started by Jaco Schoeman, 6 May 2010.

  1. Jaco Schoeman

    Jaco Schoeman MASA Contributor

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    Good day

    I noticed these guys swimming around in their hundreds in my tank last night... Your obvious conclusion would be that it is hatched fish eggs right? Wrong... As this is inside my Mantis Shrimp tank, and there are no fish in it.

    I have also not added new LR or coral to it for a while. What I do however do, is to take water from my mixed reef, and use that water for wc, but then I only syphon water from the top part of the tank, an nowhere near rock work.

    I also do not and have not added any brine shrimp to the system lately, although I do feed my tube anemone's frozen brine.

    What could it be?



    I took a photo too, and enlarged it via Photoshop. This is the best I could get for now, I can maybe try and take even closer macro shot this evening if you can't ID.

    Here's the close up, and the best shot I got as these guys don't sit on the glass, they move all the time as per the movie clip:

    [​IMG]
     
    Last edited by a moderator: 11 Apr 2016
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  3. viper357

    viper357 Admin MASA Contributor

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    Can't view the video, it is set to private.
     
  4. Jaco Schoeman

    Jaco Schoeman Thread Starter MASA Contributor

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    Damn, yes it is. :p Let me try and change it quickly...
     
  5. Jaco Schoeman

    Jaco Schoeman Thread Starter MASA Contributor

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    Okey, done, try and view it now.;)
     
  6. viper357

    viper357 Admin MASA Contributor

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    That's quite amazing, never seen that before, definitely looks like some type of spawning event has taken place.
     
  7. Boegie

    Boegie

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    Where is LuckyFish when you need him?
     
  8. Jaco Schoeman

    Jaco Schoeman Thread Starter MASA Contributor

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    My EXACT thinking... ;)
     
  9. Evo R

    Evo R

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    Tending to his Damsels :lol:
     
  10. LuckyFish

    LuckyFish MASA Contributor

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    Don't skinner!
    I have to watch it later on my laptop. From what I could see on my phone, it does not look like fish fry. Have you got hermits in the system?
     
  11. jacquesb

    jacquesb Retired Moderator

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    To me it looks like pods swimming around.... And the close-up also looks like pods..
     
  12. Jaco Schoeman

    Jaco Schoeman Thread Starter MASA Contributor

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    Yes I do.

    @ Jacques

    These guys school, and does not "stick" to the glass. Pods don't do that, so I doubt it would be pods...
     
  13. jacquesb

    jacquesb Retired Moderator

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    Jaco - during the 5 years I have kept marines, and when I still have very low water flow, the pods in my previous tank also sometimes looked like they "school". They also used to swim loose in the tank.

    I do not see that anymore, because my water flow is far to strong....
     
  14. jacquesb

    jacquesb Retired Moderator

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    AND I have far too many fish - they would never survive in my tank with all my fish! ;)
     
  15. Jaco Schoeman

    Jaco Schoeman Thread Starter MASA Contributor

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    Well, then that might be a possibility. Would be interesting to know why Marcel asked about hermits?;)
     
  16. jacquesb

    jacquesb Retired Moderator

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    LOL - yeah. I too would like to know. I have never seen hermits spawn in 6 years of keeping marines. This would be a 1st for me!
     
  17. LuckyFish

    LuckyFish MASA Contributor

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    Jaco, you do get free swimming pods, very rare but they exist. Would like to have some, makes a good food for fry.
    You are saying, they all showed up last night for the first time, right?
    Pods don't show up in numbers out of the blue.
    What you got in your tank looks a bit like fish fry but it swims more like brine shrimps.
    Hermit larvae looks very similar to mandarin fish larvae.
    I am very confident, that you have lots of hermit babies.
    Possible to raise them, but where to get tiny shells for them when they settle?
     
  18. LuckyFish

    LuckyFish MASA Contributor

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    Catch one out, let him die and take a picture. Shouldn´t be a problem.
     
  19. MistaOrange

    MistaOrange

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    It does look like fry & as Marcel said they do swim like bbs, sorry I can't make out what they could be but will look into this as I would like to know myself.
     
  20. Jaco Schoeman

    Jaco Schoeman Thread Starter MASA Contributor

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    Thanks for the input gents. All "babies" still alive, and swimming. I will catch one out, take a nice macro shot of it and post.

    Any advice as to what I sould do / not do in the meantime wrt feeding etc? I really only have TM Phyto, Zoo, cyclopeeze and frozen foods...

    I can hatch brine, as I do have a batch of eggs should I need to.
     
  21. LuckyFish

    LuckyFish MASA Contributor

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    If you want to extend their lives a bit, brine shrimp should be good. Can´t really estimate the size, but I am sure you got a bunch of hermit larvae there, so brine should be fine. Do they look a bit like mysis?
     
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