Reptile & Amphibian Forums

My female YTC laid a clutch of eggs yesterday - her first. Looks like 7-8 fertile and 3-4 duds. I hatched YTC eggs about 15 years ago and used 80-81 temps. As I recall they went about 100 days.
I have put this clutch in at 78 this time
I know there are a few corais corais breeders on this forum...what temp do you cook your eggs at and how long to hatch?

Thanks,
PatD

I have never incubated yellow tail eggs. For couperi 78F is about as high a temp as I would go.
When did your yellow tails breed. This seems like kind of early to be laying. Good luck

Pat,

78 will be fine and should equate to around 100 days. I tend to incubate at lower temps starting at 74 which results in 125-130 day range. Two years ago I had a Yellow Tail clutch go over 140 days and the hatchlings were not only huge but started feeding quite easily. YT’s typically lay for me late December early January. I breed them in July/August as they do in the wild.
I already have YT, Rubidus and Uni eggs in the incubators.

Alan B

Congratulations on the eggs.
I incubate YT eggs at 77F (25C), they hatch in 100/110 day range.
Good luck.
-----
Greetings from the Netherlands,
Johanna.
www.Drymarchon-Couperi.nl

Thanks guys
I introduced my pair together in August and September
In regards to the incubation temps, I know couperi will definitely suffer defects if eggs are kept above high 70's - but is this same risk with the South American Drys (cribos)? Have you had kinks with temps higher than 70's?
In the late 80's, when I first hatched corais I had very little info to go on and incubated the eggs same way I did all my colubrids at that time - between 80 and 82F (which was actually considered quite low by most breeders in those days).
Of the 5 fertile eggs I had 3 hatch and they were perfect. The other 2 were dead in egg and appeared a little thin but fully developed and without defects.
These days I breed mostly Asian and European rat snakes and use temps in high 70's as this seems to produce best hatch rate and bigger, healthier hatchlings.
I would be very happy to see some hatchling yellow tails -they are my favorite Drymarchon

Cheers,
PatD

nice baby rat snakes! i would go with east coast cribo master's advice (alanb). he's probably produce more baby cribos in the past five years than any one else in the united states. has husbandry techniques down to a science. one of the few in this country that actually bred mexican red tailed indigos (rubidus) and paraguayan yellow tail cribos.