C. cyanurus eggs

I think it's sorta funny that if anything, the animal shown just before the belly shot is closer to chenggongensis with those spots near the tail (and sort of hints of spots along the side) than the "real" chenggongensis are.

Anyone else see that?
 
Interesting observation, Nate
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Anyway, the egg seemed yesterday to be going bad and today it even more discolored.
Maybe it was unfertilized to begin with
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Yeah, not fertilized...

I think you'll get fertilized eggs soon enough though.
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I was informed that they are yunnanensis.

Got another egg today
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Glad you got the other egg. Have you seen any courtship behaviour at all?
 
No, Benjamin, I haven't had much time to observe them, and the tank is densely planted.

I have found four eggs so far. Two of them have gone bad, and two are developing. I heard that the egg fertility rate for cyanurus is only about 35%, so that would explain it.

Here's one of the developing ones:

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The females have a choice of 4 plants to deposit their eggs on, and have chosen Egeria densa ever since I added it after the first egg was laid on java moss.

(Message edited by TJ on October 18, 2004)
 
Bad egg, good egg:

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have you tried with Pistia stratiotes?that's a floating plant...I've noticed that my ensicauda female does prefer to deposit her eggs "upside down" in this plant, even having egeria densa,fontinalis and other plants to choose among...
 
Hi My cyanurus laid the eggs in saggataria eatoni
its importont for devolping the eggs that you use water from an old aquarium!(symbiose)
 
Thanks for all the tips
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Too bad I have to leave on a 5-day trip today. I would have loved to watch this develop. But no problem really as I'm taking another one with me (giving it away to somebody special)
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Hi Tim,
At work the highest density of eggs is laid on the moss growing on the screen for the filter intake. The number of eggs located there is usually very dense. I have had eggs laid in the moss in the tank, fern leaves, leaves that fall in the tank, on stones and in crevices on the log in the exhibit.
Hi Harry,
I have had excellant success using aged tap water that was the same temperature as the eggs.


Ed
 
Leonardo: Thats pretty interesting-my female c. o has tried to use it but was unable to...she prefers java fern with its rather large, foldable leaves instead of a bunch of thin roots.
 
Thanks for that info.

Well, I got back from my trip yesterday but didn't have a peek until today and...I couldn't find the egg! I did, however, find this:

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Another egg has been laid, though I had hoped for more by now. I might add some Pistia stratiotes...

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Here's the cyanurus tank as of now:

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HOw do you keep the planthealthy? I have enough trouble getting them started when they are set out with plenty of light and rooting substrate - they would just rot and die if I put them like that....
Chris
 
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