hey Tim, (thanks for this paper, by the way!). yup, that was surprising about raising the terrestrial eggs underwater. I have seen other species with eggs on the waterline that could go either way, provided sufficient oxygenation of the water (Theloderma, mantellas, some Tylototriton/Echinotriton, hylids, etc.). but woodland salamanders? crazy. I also sent the paper to some Eleutherodactylus guys, some of whom are having trouble with eggs, especially when they remove them. I bet a motivated, technically handy individual such as yourself could make their own automated flow-through egg washers for less than $650...maybe a 'hydroponic'-like system with ebbing and flowing water...
Yeah I was checking out their website, looks like they just use vinyl coated fiberglass screens to set the eggs on, hard to see what the water flow is like from the photos though. Maybe we'll have enough Hemidactylium eggs this spring to do some experimenting.
Welcome to Caudata.org! Looks like the Aark fundraising drive is going pretty well, whichever party initiated, it was a great idea. Thanks for reminding me about that paper...one of the references in it uses LHRH on Gyrinophilus successfully, I may have to try that on one of our display P. ruber with years of retained eggs.
Very interesting article. But I find the use of the term "most" for P.jordani vague. My experience with Ensatina and Aneides is that excessive moisture late in development causes premature hatching and death. Though I'm going to have to ponder the possibility of trying this, at least once.
That was my experience with the D. aeneus eggs too, and I've seen rain trigger hatching in Hemidactylium. However the eggs may reach some sort of osmotic balance early in development and it's the sudden change that triggers hatching. Dunno.
I know I'm getting in here kind of late, but I used to work at a fish hatchery and they used a technique that might prove equally as helpful. They had long acrylic cylinders filled with water and they would run a stream of water up from the bottom of the cylinder. The current would gently roll the eggs to keep them oxygenated and clean. They are pretty easy to make, you could even use a large mason jar. I would think you could use a large, fine air stone in the bottom of the jar to keep the water flowing and keep it well oxygenated. Anyway, thank you posting this paper, I found it very interesting.
I believe the fridge gets to about 54°, so if you can replicate that in the tank, it might be okay. I personally would fridge just to make catching them easier, and if the infection is something in the water column at all, it will hopefully die out while they're AWOL (I'm thinking like ich for fish, not sure if axies have an equivalent)
My three inch axolotl was having trouble pooping up to a few days ago. I wasn't feeding her as often because I was scared I would just add to her constipation. I fridged her until she pooped (twice), and then began to feed her around 6 bloodworms every other day. she's been pooping everyday now, but she's at that age where you can see through her stomach and I always see poop ready to come out but has not yet passed. I don't think she's constipated anymore, but I'm not sure and i don't want to over or underfeed her... any advice?
Hi guys. Quick question. I have newly morphed eastern newt efts. They lost their gills but they still prefer the water. I have coconut fiber, moss, hidey holes and some food in the temporary habitat for them (waiting for the other newts to morph as well). But they still run back to the water. Is it the wrong substrate? Do they prefer something other than coconut fiber? I've been doing everything else properly (According to my research) but just wondering why they haven't ventured up. Have any ideas?
I spray mist the place every day. And I do still feed him. One of them has finally come out. But now I have another problem. They don't look like eastern newts! I am posting pictures on a thread I've started. If you can, take a look for me and see.
Hi guys. Can someone please tell me the sex of my axolotl. I thought I knew for the past four years but a breeder told me I was wrong. PayPal: Your security code is: 138208. It expires in 10 minutes. Don't share this code with anyone.