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Optimal temperature for tiger salamander eggs?

This is a discussion on Optimal temperature for tiger salamander eggs? within the Tiger Salamander & Axolotl (Ambystoma tigrinum, A. mavortium spp, etc.) forums, part of the Species, Genus & Family Discussions category; Hello My tiger salamanders (Ambystoma tigrinum) have bred! Finally after waiting for this day for 4 years . I had ...

Tiger Salamander & Axolotl (Ambystoma tigrinum, A. mavortium spp, etc.) The Tiger Salamanders and the Axolotl are so popular amongst hobbyists that they have been given their own topic. If you're particularly interested in the Axolotl, there is a large section of the forum devoted mainly to beginner Axolotl enthusiasts (not this topic).

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  • 5 Post By Mathias Holm
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Old 25th April 2017   #1 (permalink)
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Hello

My tiger salamanders (Ambystoma tigrinum) have bred! Finally after waiting for this day for 4 years . I had not checked the outdoor vivarium in over a week when i discovered the eggs today. It is quite cold these days (and i didn't believe they would breed under these conditions) - air temperature drops below 0C at night. The water temperature is now at 6,5C after an hour of sunshine (but as i am writing this, it is snowing!). I am concerned that the eggs will die after several nighths with frost. Should i move the eggs inside or can they survive the cold (i guess the water temperature drops to about 2-3C at night)? As far as i am informed the salamanders come from a northern locality in the US.

Pictures:
First picture shows the breeding tub i made a month ago - it is placed inside the outdoor vivarium. The other years i moved the salamanders to a breeding tub outside the vivarium and that was never a succes.
The other pictures shows the eggs.

Best regards
Mathias Holm

I was too nervous, so i took some of them inside - aprox. 50 eggs, still a lot more in the breeding tub and the females are still in the water . What is the max temperature i should incubate the eggs at? It is 20C where i placed them now - is that alright? The outdoor vivarum is now covered in transparent tarpaulin - i plan to keep it that way until the weekend were it will be warmer again.

Picture: Some of the eggs i took inside

Best regards
Mathias Holm
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Optimal temperature for tiger salamander eggs?-20170331_010135.jpg   Optimal temperature for tiger salamander eggs?-eggs1.jpg   Optimal temperature for tiger salamander eggs?-eggs2.jpg   Optimal temperature for tiger salamander eggs?-18136625_10212892344526173_1683607956_n.jpg  

Last edited by Chinadog; 25th April 2017 at 17:33.
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Old 27th April 2017   #2 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

Update 27/4: I am relieved! Now clear cell division is visible. . And on some of the older eggs i think i spotted the dorsal fold.
I'm gonna be busy this summer and i'm looking forward to it!

Best regards
Mathias Holm
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Old 27th April 2017   #3 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

I raised some Tigers from eggs last year. I just treated them like baby Axolotls and they did very well, just make sure you regularly grade them according to size as the larger ones can become cannibalistic very quickly.
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Old 27th April 2017   #4 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

Thanks, Chinadog! I've considered that. I plan to buy a lot of tubs of 90 l, so overcrowding should'nt be a problem (but still i will ofcourse seperate smaller larvae from the larger).
And i plan to use plants to clean the water. I doesn't have the time to change the water every day.

Today i tried to make an underwater recording of the salamanders and the eggs. First time i try underwater recording, but i am pleased with the result (only i should move the camera more slowly and steady )



Also quite interesting to follow the eggs development (see attached picture - text in danish though)

Best regards
Mathias Holm
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Old 8th May 2017   #5 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

Some of the eggs i left in the breeding tub died. The ones i took inside hatched some days ago. I'm feeding them cyclops and they grow fine.

I've ordered 10 tubs of 45 L - that should do it . Until the tubs are delivered they are kept in one tub. There isn't a big difference in size yet, so i guess they don't get cannibalistic anytime soon.
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Optimal temperature for tiger salamander eggs?-20170506_165404.jpg   Optimal temperature for tiger salamander eggs?-20170506_164533.jpg   Optimal temperature for tiger salamander eggs?-20170507_161035.jpg  
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Old 13th May 2017   #6 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

From your very first photos, I see very dark salamanders, maybe A.tigrinum, and others that are blotched, maybe A. mavortium melanostictum,

can you post pictures ao you adult salamanders, maybe you have hybridism ?
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Old 13th May 2017   #7 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

Hello Paul

Thank you very much for your reply! The dark salamanders are from Illinois and they are undoubtedly A. tigrinum - i have 2 of them. The other ones i'm not completely sure about since they was bought as A. tigrinum at Hamm in 2012 - it was a friend that bought them for me. Here is a picture of the specimens - if it is indeed A. mavortium i would be glad to get that confirmed. Wouldn't want to sell them under wrong species name. The ones from Illinois are the one in the top and the one in the bottom (it seems the picture gets rotated when uploading. If that is still the case when this is posted, the ones from Illinois are the one to the far left and the one to the far right).

I only saw the possible A. mavortium in the tub during the breeding period, but that of course does not completely rule out hybdridism (although i hope that is not the case). I will keep you updated with photos during the whole period.

Looking forward to your opinion.

Best regards
Mathias Holm
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Old 14th May 2017   #8 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

Hi Mathias,

the one bottom right doesn't look typical for this strain. I bred this strain several times and never had animals like this one.
Maybe a picture of this individual without any dirt might help to tell what it is.

In 2012 there were only very few "Illinois" animals around. Are yours wild caught or bred by an (east) european breeder?

Greetings
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Old 14th May 2017   #9 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

the 2 salamanders from the middle are, according to me, Ambystoma mavortium melanostictum...

as I said previously, your eggs look like A mavortium...

don't you see which female lay eggs ?

^^

Quote:
Originally Posted by Mathias Holm View Post
Hello Paul

Thank you very much for your reply! The dark salamanders are from Illinois and they are undoubtedly A. tigrinum - i have 2 of them. The other ones i'm not completely sure about since they was bought as A. tigrinum at Hamm in 2012 - it was a friend that bought them for me. Here is a picture of the specimens - if it is indeed A. mavortium i would be glad to get that confirmed. Wouldn't want to sell them under wrong species name. The ones from Illinois are the one in the top and the one in the bottom (it seems the picture gets rotated when uploading. If that is still the case when this is posted, the ones from Illinois are the one to the far left and the one to the far right).

I only saw the possible A. mavortium in the tub during the breeding period, but that of course does not completely rule out hybdridism (although i hope that is not the case). I will keep you updated with photos during the whole period.

Looking forward to your opinion.

Best regards
Mathias Holm
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Old 14th May 2017   #10 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

Quote:
Originally Posted by MarioR View Post
Hi Mathias,

the one bottom right doesn't look typical for this strain. I bred this strain several times and never had animals like this one.
Maybe a picture of this individual without any dirt might help to tell what it is.

In 2012 there were only very few "Illinois" animals around. Are yours wild caught or bred by an (east) european breeder?

Greetings
Mario
Hello Mario.

Thank you for your reply. I'm sorry if i didn't express myself properly. What i meant was, that i have 2 specimens from Illinois, and those are not from 2012, but 2013 as far as i remember. They were bred by Soe from this forum. I have attached a picture where the 2 specimens is shown in red to avoid confusion. . Both are males.


Quote:
Originally Posted by AmbystoMan View Post
the 2 salamanders from the middle are, according to me, Ambystoma mavortium melanostictum...

as I said previously, your eggs look like A mavortium...

don't you see which female lay eggs ?

^^
Hello again.

Interesting, then it seems they were sold to me under wrong species name I'm quite sure that the female that laid eggs is the one shown in the video in one of my previous replies (you get a good look at 0:44 in the video). But since they were captive bred and sold together, all of them should be the same species.

I have attached some better pictures of the salamanders. The first pictures shows 3 different specimens photographed today during feeding. The one eating the worm is one of the specimens you said looked like A. mavortium melanostictum. The last 2 pictures shows the specimens as juveniles in 2012 after i bought them. Actually quite interesting to see how much they have changed appearance since then


Best regards
Mathias Holm
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Optimal temperature for tiger salamander eggs?-20170330_230548.jpg   Optimal temperature for tiger salamander eggs?-tiger-salamander1.jpg   Optimal temperature for tiger salamander eggs?-tiger-salamander2.jpg   Optimal temperature for tiger salamander eggs?-tiger-salamander3.jpg   Optimal temperature for tiger salamander eggs?-tiger-salamander4.jpg  

Optimal temperature for tiger salamander eggs?-tiger-salamander5.jpg  
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Old 3 Weeks Ago   #11 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

My largest one is now close to 4 cm . It is starting to get quite difficult to catch enough food (cyclops) to them. I have to find another food source . I will try feeding them Tubifex soon.

Best regards
Mathias Holm
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Old 1 Week Ago   #12 (permalink)
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Default Re: Optimal temperature for tiger salamander eggs?

My biggest one now looks like this. About 6 cm. Still feeding them Cyclops (and Cladocera), but it is very time consuming to catch all that food! I have tried with Tubifex and Chironomidae-larve, but it is difficult to catch them without getting dirt and organic residues between.
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