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Rivergecko

Rivergecko

Rivergecko
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I am super excited to have gotten this female into my hands. She has produced 3 clutches in the past 7 years, but hasn't been with a male in 12 years. You do the math!!! I know she throws some interesting genetics also, but what should I breed her too? I know she is not a normal, but I'll be damned if I know what she is. Any guesses?
 

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Yeah I suck at math homie... how old is the snake 85 LOL... As far as genes go she looks normal but who knows..Good luck to you...
 
She has produced 3 clutches in the past 7 years
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That means she produced 3 clutches from 2005 to now.

hasn't been with a male in 12 years.
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That means no male since 2000.

I could not calculate the actual age of the snake from that info. The info does point to Asexual reproduction through Parthenogenesis which I highly doubt. If it is Asexual reproduction then it does not matter what you breed her too you will get exact duplicates of her, that is how parthenogenesis works.
 
Gloryhound said:
The info does point to Asexual reproduction through Parthenogenesis which I highly doubt.
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How so? There are multiple documented cases of snakes holding sperm for many years after mating. What makes you think that is not the case here? Is it only possible to produce one clutch in this manner?
 
I could not calculate the actual age of the snake from that info. The info does point to Asexual reproduction through Parthenogenesis which I highly doubt. If it is Asexual reproduction then it does not matter what you breed her too you will get exact duplicates of her, that is how parthenogenesis works.
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Snake is 18 years old.

You are on the right track, but Parthenogenesis is a process, not a lifestyle. A female that parthenogentically reproduces, can also breed with a male to produce normally conceived young. A female that reproduces this way will not necessarily clone herself, the babies can differ visually, but will be genetically identical.

Also Parthenogenesis is not as uncommon as you might think. There are documented cases in numerous species of snakes, including pythons.

I should have answers about her egg laying soon. One of her neonates is being submitted for research along with a shed from her and a shed from a partho offspring that is now full grown. Neonate was born with massive deformities. Only 4 from a clutch of ten had normal physical appearances. The others either died late term in the egg or looked similar to this one and had to be euthanized immediately. The deformities also lend to parthenogenetic reproduction, since all other clutches incubated along side these eggs hatched normally.

As for sperm retention, I have heard of two years, never 12.

Deformed Neonate (has a midbody ventral fusion, partially visible )

20130128_150027.jpg

Adult Female offspring that hatches some very interesting offspring of her own.

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No matter which way this turns out for me, it has been a hell of a ride working with her offspring. She quickly became one of my favorite snakes.
 
Rivergecko said:
Snake is 18 years old.
As for sperm retention, I have heard of two years, never 12.
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I read just last year about a rattle snake that was wc and kept solitary reproduced using stored sperm 6 years later. If I remember correctly, however, none of the offspring lived.
 
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