C orientalis larvae, ideal temperatures?

Ken Worthington

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Hi people, just popped in and I'm presently posting to present a poser precisely pertaining to popular opinion as per paramenters :happy:
My partly perused but patient 'parenting-project' pleased me by periodically and perchance persistantly pro-creating, producing, pretty predictably, a particular proud populus, perhaps potentially problematic, pertaining to the probability of potential public/private purchasers.
Please PM me in Public Profile as per particular problems with Postage and Packing and with parcels previously posted in person.

:eek: With that many 'P's, I've got an excuse to make P-pod wine :wacko:

Anyway, I've taken my medication now, and here's my question;

Depending on which rooms of the house that I might keep the plastic tanks with the C orientalis babies in, they can be kept at around 10*C in one room, maybe 13* to 14* in another, to 17*C and inbetween without problems, so what would experienced orientalis breeders recommend?

Whilst I appreciate that I'd want them to be as big as reasonally possible when it comes to morphing (for ease of care, etc), I realise that the lower the temperature, the lower the rate of their metabolism, although oxygen will be more abundant with the slightly lower temperatures, maybe?

I've read the various (and very helpful) articles in Caudata Culture, etc http://www.caudata.org/cc/articles/raising_juveniles.shtml , and the recent article about morph rates and longevity correlation theories. http://www.caudata.org/forum/f1-gen...ascinating-bizarre-research-sciencedaily.html

By the way, the details;
frequent 50% water changes, adding a mix of 75% bottled 'spring' water/25% parents tank water (with safe parameters)..... smaller Daphnia....... some Elodea to hide amongst, some duckweed (!)..... no air-line or filter..... around 9 hours of diffused sunlight daily...... temperature is around 16.0*C, a bit too high?

Any advice would be welcomed.....as Brucy might say; 'It's a 16, higher or lower?'
 
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Now is 3rd year when i breed orientalis, and so far best effects (long larva stage and metamorphosing well developed, with granulated skin, good size&belly color) i had in such conditions:
-Tank with natural substrate with lots of debris
-Lots of growing plants (mosses, najas gras, elodea, vallisneria... whatever i could put in)
-Some light for plants
-Rare water changes
-Lots of food (ostracods, daphnias and cyclops breeding in, additional feeding with bloodworms, grindals or whiteworms)
-Very slight or no aeration
-Temperature - not measured. Room temp throughout the raising period varies between 13 and even 30'C in hot months.

Some larvae stay larval for really long time, like 5-6 months!
13.JPG
 
Janusz, 30 Celsius in summer?!?!?!:eek::eek::eek:
Are you sure?
Is not to warm for Cynops orientalis larvae?
I keep mine at constant 18 Celsius and indeed the larval stage take longer (4-5 month). The young are bigger and with a nice red belly pattern (I feed them only with live Cyclops, Daphnia, Artemia nauplia)
 
Guys,

I have raised C orientalis larvae at 23-24 Celsius over the past two months now. I have had a first morph after two months time ( around 4 cms in length ).

I have been reading about lower temps being required for this species but I have been keeping this species at these temperatures since August last year and in fact they have even bred. I have posted the photos of the adults & the larvae in this forum too.

Would like to know if there are similar cases where the species has been raised at these temp ranges. Is this species able to adapt to such higher temp ranges ?

Cheers,
 
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