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Brian Krueger, PhD
Columbia University Medical Center
New York NY USA

Brian Krueger is the owner, creator and coder of LabSpaces by night and Next Generation Sequencer by day. He is currently the Director of Genomic Analysis and Technical Operations for the Institute for Genomic Medicine at Columbia University Medical Center. In his blog you will find articles about technology, molecular biology, and editorial comments on the current state of science on the internet.

My posts are presented as opinion and commentary and do not represent the views of LabSpaces Productions, LLC, my employer, or my educational institution.

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Thursday, March 17, 2011

Today I noticed my Tomato Clownfish acting a little friskier than usual.  A few days ago I saw a white bump under the female's anal fin and thought it might be a fungal infection because it had a goofy gray tinge to it.  I figured I'd just wait and see what developed.  Well today I noticed that it was much bigger and longer...It was her ovipositor (egg laying tube)!!  She also had a big fat round belly, so that really means only one thing.  I watched her and the male clownfish do their dance and the ovipositor grew longer while the male started showing signs of arousal too.  I guess a video is worth more than my explanation.  I started recording after the first egg went down.  It's the little orange sac in the middle of the screen.  This patch grows much larger over the course of the 10 minute video.  Enjoy!

Mass eggs start going down around the 2 minute mark if you don't want to watch the fish dance.

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Whitney Krueger
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Congrats, Grandpa!! :)

Brian Krueger, PhD
Columbia University Medical Center
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Same to you grandma ;)

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