What are these swarming in my live rock?

Discussion in 'ID This!' started by Air_Cooled_Nut, Jul 30, 2015.

to remove this notice and enjoy 3reef content with less ads. 3reef membership is free.

  1. Air_Cooled_Nut

    Air_Cooled_Nut Astrea Snail

    Joined:
    Jun 12, 2015
    Messages:
    25
    Location:
    Portland, Oregon, USA
    Unknown days after we got this live rock (maybe a week) I was using a strong LED flashlight to peer into the crevasses of it. I noticed some clear worm-looking organisms with reflective eyes(?), maaaaaybe 1/8th to 3/16th of an inch long, darting deep inside and away from the bright light. Well, roughly 3 weeks later I do my daily peeking in and I see a swarm of young ones inside!! What are they?!?

    Still images can't quite capture what my crappy video could. About the 33 second mark you'll see them. Sorry for the crazy video, I was using one hand to operate my phone and the other one for the flashlight.

    Watch where the bright light is, that's where I'm looking. I show the tank so you can get a size reference. Oceanic BioCube, 29-30 gallons.



    While we're at it, what species is the blue fish with the yellow underside? o_O
     
  2. Click Here!

  3. Corailline

    Corailline Super Moderator Staff Member

    Joined:
    Sep 8, 2010
    Messages:
    19,652
    Location:
    It is a dry heat, yeah right !
    Last edited: Jul 30, 2015
  4. Vinnyboombatz

    Vinnyboombatz Giant Squid

    Joined:
    Oct 24, 2010
    Messages:
    6,344
    Location:
    Dunnellon, Florida
    Be careful using a flashlight in your tank. You could easily blind fish or inverts. Purchase a blue led flashlight to be safe.B-)
     
  5. Air_Cooled_Nut

    Air_Cooled_Nut Astrea Snail

    Joined:
    Jun 12, 2015
    Messages:
    25
    Location:
    Portland, Oregon, USA
    Okay, thanks for the ID help and light tip :)
     
  6. Swisswiss

    Swisswiss Caribbean Reef Squid

    Joined:
    Jul 25, 2011
    Messages:
    2,879
    Location:
    Geneva Switzerland
    nice pod population
     
  7. Vinnyboombatz

    Vinnyboombatz Giant Squid

    Joined:
    Oct 24, 2010
    Messages:
    6,344
    Location:
    Dunnellon, Florida
    BTW that's an Azure Damsel not a Fiji blue devil.
     
    Last edited: Jul 31, 2015
  8. Click Here!

  9. oldfishkeeper

    oldfishkeeper Giant Squid

    Joined:
    Aug 13, 2012
    Messages:
    7,660
    Location:
    Cincinnati
    I think it's aquatic mosquitoes :) - very cool whatever it is but I'd trust Corailline