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[Zbrafish] Swarming zebrafish embryo parasites

[Zbrafish] Swarming zebrafish embryo parasites - Zebrafish Forum

[Zbrafish] Swarming zebrafish embryo parasites - Zebrafish Danio Rerio Forum. Discuss zebrafish, aquarium culture and molecular biology lab specimens.


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Old 08-04-2008, 10:03 PM
April
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Default [Zbrafish] Swarming zebrafish embryo parasites



Hi Rachel,
To determine if these are in fact coleps, look at them under a
compound microscope. Coleps are very easy to identify. They move in
a swirling pattern and their body's are covered in plates that make
them look like hand grenades. Unhatched or recently hatch embryos
that have not developed swim bladders are the most susceptible to
coleps. A swarm of coleps can consume an entire embryo within 45
minutes. Once embryos are swimming they can fend them off quite
easily. If the parasites were only found in 1 embryo, I wouldn't
worry to much yet. Keep your embryos as clean as possible and remove
anything suspicious. You should also consider bleaching your
embryos, if you are not currently.

I would be happy to take a look at some pictures and help identify
the parasite. Good luck, and let me know if you have any questions.

April


On Jul 31, 2008, at 6:16 PM, [Only registered users see links. ] wrote:


-----------------------
April R. Freeman (Mazanec)
ZIRC Manager
Zebrafish Int.'l Resource Center
5274 University of Oregon
Eugene, OR 97403-5274

Phone: (541) 346-6028 ext. 24
Fax: (541) 346-6151



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