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Ambystoma incomplete Metamorphosis

Neotenic_Jaymes

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Through out the years reading up on salamanders either articles or books. I've come a cross the term "incomplete metamorphosis" a couple times, referring to Ambystomatidae. Im not sure what defines this term and how often incomplete metamorphosis can happen. Anyone have the details? The articles/books were very vague.

I've had 2 Axolotls in the past and 1 currently showing signs of metamorphosis. Slowly but surely the dorsum has decreased significantly and the eyes are bulged out. Sometimes the eyes can retract into the socket and pop back out when swallowing food. Then all of a sudden the changes stop and it seems like now I have a salamander in paused metamorphosis. Maybe there is also a term for the stopped morphing?

I've had Tiger Salamander larvae morph and the dorsum and eyes were the 1st signs of change. Im not sure if (incomplete metamorphosis) would be the exact term for my Axolotl example. I'm assuming that it refers to Ambystoma or others salamanders that transition to land and retained larval traits.

Pictures are for comparison. The orange circle pin points the bulgy eye.
 

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  • Shane douglas:
    with axolotls would I basically have to keep buying and buying new axolotls to prevent inbred breeding which costs a lot of money??
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  • Thorninmyside:
    Not necessarily but if you’re wanting to continue to grow your breeding capacity then yes. Breeding axolotls isn’t a cheap hobby nor is it a get rich quick scheme. It costs a lot of money and time and deditcation
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  • stanleyc:
    @Thorninmyside, I Lauren chen
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  • Clareclare:
    Would Chinese fire belly newts be more or less inclined towards an aquatic eft set up versus Japanese . I'm raising them and have abandoned the terrarium at about 5 months old and switched to the aquatic setups you describe. I'm wondering if I could do this as soon as they morph?
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    Clareclare: Would Chinese fire belly newts be more or less inclined towards an aquatic eft set up versus... +1
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