Sorry Chris but I haven't been monitoring or manipulating temps other than to ensure it doesn't get too cold in the winter or too warm in the summer. Mine were furiously laying eggs when the water temp was around 20C. I hear C.e lay eggs almost year-round in their native habitat, unlike C.p (temp. fluctuations in Okinawa/Amami are not nearly as drastic as they are up north in the main islands).
I do wonder if there's any correlation between light-colored larvae and light-colored adults. I have certainly noticed that larval C.e.popei have a wide variation in coloration, from black to quite light. You can scientifically test this for us, Tim! You'd have to separate out a couple of light ones and raise them separately.
Yes, please do so Aaron. And remember, adding artificial coloring to their food doesn't count!
Jen...I'll separate what I have left and see what happens. But I'm running out of C.e.p larvae to "experiment" with as most have morphed already and the adults are not laying more. (I do have massive quantities of C.e.e larvae -- too bad C.e.e are not as colorful as C.e.p...)
I suppose it's genetic. I don't know to what extent food has anything to do with it (beta-carotene and all that stuff). I always start my hatchlings out on brine, then switch to tubifex, and finally a combination of tubifex and bloodworm, but mostly bloodworm.
If we humans can transform a wolf into a pug through selective breeding, dunno why we can't enlist Mother Nature's help in coming up with a hybrid strain of C.e.p, one that's covered head to tail in pure gold
By the way, the WC newt in the very first pic above was being sold as a "designer newt"
Tim, are all those pictures of C.e. popei, or are some nominate C.e.e.? There is one that is totally black. Is it possible for popei to be completely black? I have a couple of juvenile popei that are, but I still have hope that they will get some spots in time.
Hi Jen, yes, that's a completely black C.e.p -- like one adult I have that I acquired it for that very reason. Mine was caught in the northern part of Okibnawa Island. and the ones it was with were also mostly black. Interesting, eh? I also have some over 1-year-old juvies like that and it remains to be seen whether they'll stay that way.
Here's the same one as the larvae in the pics above...upon morphing. It's unusual to get coloration like this at this stage. Usually the colors emerge quite some time afterward. Will keep an eye on this one!
That should be "Okinawa Island" in my earlier post (not "Okibnawa").
My axie is acting woerd he was a rescue as stated in a different post he got better and now seems to be deteriorating again...again all tank conditions are OK and as should be. He seems to have some black dapple like pattern under his bottom lip? Is that normal? And his two back feet have a little wierd growth? Almost? Tiny tiny tiny lump. His capillaries in his feathers also appear darker and more visible. Any help would be appreciated