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Eastern Newts - Notophthalmus viridescens
March 8, 2013
8:45 pm
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Thomas
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Wants to start a thread about my Newts. I will continue it from time to time and at the end I hope to show you some newt larves.

 

Last year in spring I bought four less or more young Eastern Newts. At this time they were in their terrestrial phase. The  metamorphosed juveniles live the first 2 - 2,5 years only at land and I don't know when I can try to breed them.

In this phase the newts are reddish colored and accordingly called "red efts" In german they are called "Grünliche Wassermolche - greenish water newts" But only the adults are greenish.

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But they grow much and at the beginning of Dec. 2012 I started the overwintering of the quartet - till yesterday. As you can see, they looks greenish.

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Today they moved in a small plastic tank with < 1 cm Water level and a big Anubia. In this stadium Newts can easily drowning, the skin must change to "Water live". Then I can raise the water level and with every skinning the tail broadens more and more.

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And if you think that Anubia isn't the best choice for this plan...you are right! Have to change it to Javamoss or so

 

 

 

 

March 10, 2013
1:55 pm
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oaken
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Those are really cool. How long does it take until they become aquatic? What do you feed them?

March 10, 2013
3:08 pm
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Thomas
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Not sure how long it takes. Now they sometimes walk through the shallow water, but I couldn't noticed any skinning. Think it takes some days. maybe even a few weeks till I can put them in a tank with a water level about 20 cm. 

 

Feed them micro crickets (which they catch themselves - no pincette feeding), sometimes wax moth larvae, (very) small worms. Sometimes frozen food for my fishes e.g krill, served on a shashlik spit, woodlice. Later in the water they will feed like fishes: bloodworms, daphina, Artemia.

March 10, 2013
4:38 pm
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Colin
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Nice newts Thomas - I have kept and bred quite a few species over the years and I currently do a lot of work with T. cristatus in my ecology work as they are a protected species.

 

Looking to get some of the banded newts Ommatotriton vittatus soon as I have always liked them and found a guy online who will be selling eggs soon :)

March 11, 2013
4:46 pm
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Thomas
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So, today I've raised the water level and see what happens :) No panic newts, but water newts.

 

After that they moved into a free 60cm Tank with only a few cm water level. So they can reach easy the wood and plants.

I'm very pleased with them! :)

 

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March 11, 2013
5:35 pm
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Jrp
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Very nice newts!

I used to keep this species years ago, but they are not available here now since they are a native species.

Oddly, I have never seen the adults or red eft stage in the wild, though. I know the local universities have collected them in the area. I guess I just don't know where to look.

March 11, 2013
7:02 pm
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Matt
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Really nice Thomas. Smile So this species is from the United States?

Cake or death?
March 11, 2013
7:31 pm
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Thomas
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Right Matt. Similar to the european Lissotriton (except the crest) but without the paperwork (legal regulations). Smile

March 11, 2013
8:07 pm
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Jrp
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Yes, its found in the eastern US and southern Canada.

 

 

March 17, 2013
3:31 pm
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Thomas
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Some new pics.

 

The gender relation is 3 males and 1 female. The males are more and more wearing their water suit. On the second last pic you can see the amplexus of Notophthalmus, of course too soon. At least for the female, the male has dropped his spermatophore (last pic) but the female only left the water. Water temperature is 16° C

 

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March 18, 2013
6:45 pm
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Matt
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Nice new pics. Smile Do keep us updated on progress Thomas.

Cake or death?
March 18, 2013
6:52 pm
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Jrp
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Very nice!!

There are local variations in the red markings of this species The ones I used to be able to get had broken red horizontal stripes and elongated spots along the dorsal surface instead of round spots.

March 18, 2013
7:19 pm
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Thomas
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Jrp, you mean N. v. dorsalis?

http://www.ag-urodela.de/daten.....ld_nvd.htm

 This is a very nice subspecies. In the german trade I never seen other Notophthalmus than the N. viridescens viridescens.

March 18, 2013
7:40 pm
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Jrp
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Yes, that's the one I used to find in pet stores. N. viridescens viridescens is the one that lives in my area. I plan on doing a little searching in my area after the weather warms up to see if I can find them in the wild.

March 22, 2013
9:26 pm
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Thomas
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The mating seems to be executed. Few days ago I separated the female and today I gave a male with nice water suit in her tank. On evening the "Notoamplexus" began and when the male release the female, she's following him and I'm pretty sure, she takes his spermatophore.

The pic was taken after she collect the spermatophore, she is still after him. :)

 

Cheers,

Thomas

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April 10, 2013
7:11 pm
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Thomas
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It goes on: today I've found the first eggs. The ones on the pic are a few days older I think.

 

On the other pic is a male, now in complete water suit.

 

Cheers,

Thomas

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April 10, 2013
11:08 pm
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oaken
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Thanks for the updates Thomas. Very interesting. And congrats on the eggs!

April 11, 2013
9:25 am
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Matt
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Brilliant, do you leave the eggs in with the adults Thomas?

All being well am off on a Salamandra hunt this Saturday night so will let you know how it goes.

Cake or death?
April 11, 2013
6:29 pm
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Thomas
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I've separated a few eggs (five?). I'm unsure how many I should try to raise. 

April 12, 2013
4:44 pm
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Jrp
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I hope they do well. Keep us posted.

I found some vernal pools and lakes in the local forests but have yet to find any of these newts or even any other salamanders as they prepare to spawn. I did see and hear many wood frogs though.

Here is a pic of a salamander I found last summer in the swimming pool. We had a severe drought and I suspect it was looking for water. Unfortunately, it died a few hours later. Probably from exposure to the chlorine level in the pool. 

This is the Cave salamander (Eurycea lucifuga). Its quite a beautiful species. This was the first time I had seen one.

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