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Danube Crested Newts

This is a discussion on Danube Crested Newts within the Eurasian Newts (Triturus, former Triturus, Calotriton & Euproctus).. forums, part of the Species, Genus & Family Discussions category; Hello I have 4 T. dobrogicus (1 female, 3 male), born in March last year. I have let them hibernate ...

Eurasian Newts (Triturus, former Triturus, Calotriton & Euproctus).. Triturus and its relatives (Ichthyosaura/Mesotriton, Lissotriton, and Ommatotriton) are a diverse and widespread group of newts. While mainly European, several species can be found in the Near and Middle East. Euproctus, the brook newts, are confined to Corsica and Sardinia.

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Old 4th February 2015   #1 (permalink)
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Default Danube Crested Newts

Hello

I have 4 T. dobrogicus (1 female, 3 male), born in March last year.
I have let them hibernate in the fridge for about 5 weeks at 3-7 degrees centigrade.
I took them out of the fridge on the 31st of January.
I placed my female with 1 male in an aquarium with plants, and large stones. No gravel.
The male has quite a large crest and swollen cloaca. I have seen the male try to impress the female on the 1st day after i've brought them out of the frige
Now i would like to know, how long does it usually take for Dobrogicus to have succes in breeding? Anyone with experience?



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Old 4th February 2015   #2 (permalink)
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Default Re: Danube Crested Newts

Expect to find eggs anywhere from a week to a month after courtship behavior. I have been surprised with fertile eggs in the fall when males aren't even in breeding condition so egg deposition timing can be erratic.



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Old 4th February 2015   #3 (permalink)
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Default Re: Danube Crested Newts

It's still early, it wouldn't be that surprising if you didn't get eggs until march or maybe even later. Also, make sure the female has a variety of options to lay her eggs. Not having a laying substrate that she likes can delay egg deposition or interfere with it entirely. Microsorium is almost always a favourite choice, give it a try if you don't have it already.

One thing to note, though, is that even though this species can certainly be mature and fertile in significantly less than a year, this is not absolute and depending on a variety of factors it is possible for them to be a year old and not yet mature (or even 3 years old..), specially for females. It's also possible for females to achieve maturity on their first year but produce a clutch that is very reduced in number and with very poor fertility.



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Old 4th February 2015   #4 (permalink)
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Default Re: Danube Crested Newts

Thanks for the info
What exactly is Microsorium?
Anyway i've made some egg laying strips from plastic bags and secured them to some small stones, i placed those in their tank when they got in.
I will just wait and see



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Old 5th February 2015   #5 (permalink)
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Default Re: Danube Crested Newts

Microsorium is the genus in which Java fern are in. So basically he is saying that newts usually prefer to lay eggs on Java ferns, and if you don't have some you should get some.



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Old 5th February 2015   #6 (permalink)
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Default Re: Danube Crested Newts

For their first breeding season I would provide a selection of places for egg laying. As Seth says Java ferns are good and so are many other plants, but your plastic bag strips are sometimes preferred over anything else. You'll soon get a feel for what your females like the most, so in future you can provide more of one than the other.



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Old 6th February 2015   #7 (permalink)
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Default Re: Danube Crested Newts

I will buy soms Java fern if I can find it
Googled it, nice looking plants!
Her is a pic of HIM
Click the image to open in full size.

and HER:
Click the image to open in full size.
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Danube Crested Newts-imag0056.jpg   Danube Crested Newts-imag0055.jpg  



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Old 6th February 2015   #8 (permalink)
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Default Re: Danube Crested Newts

I am in NY, it is now freezing. I have two breeding groups of DCN (eight females total) and they have been breeding. Probably have almost 1000 eggs so far, and more coming. about 100 have hatched. Never had them breed when it is this cold. I keep them in a basement. only a small night light burning 24/7. Maybe you will be lucky.



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Old 12th February 2015   #9 (permalink)
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Default Re: Danube Crested Newts

Your Dobrogicus are beautiful! They look great.



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Old 14th February 2015   #10 (permalink)
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Default Re: Danube Crested Newts

Thank you!
I have seen the male try to impess the female a couple of times, but I have not seen spectacular changes.
Pics:
http://www.caudata.org/forum/attachm...1&d=1423940652

http://www.caudata.org/forum/attachm...1&d=1423940652

http://www.caudata.org/forum/attachm...1&d=1423940652
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Danube Crested Newts-imag0058.jpg   Danube Crested Newts-imag0059.jpg   Danube Crested Newts-imag0060.jpg  



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Old 25th April 2015   #11 (permalink)
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Default Re: Danube Crested Newts

So far my female laid 15 eggs, of which 4 hatched.
They are growing quickly.
About 10 days old:
Click the image to open in full size.
About 2 centimeters long, belly full of artemia & bloodworm
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Danube Crested Newts-img_20150425_173214.jpg  



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