Pop Quiz: what are the visible differences between....

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crysti-lei

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Axolotls and Tiger Salamanders (in larval form)?

I ask because my boyfiends Axies look very different to mine. It might just be because they're from a different gene pool, but with 14 chomersoms i can't see much room for variation. My boyfriends are much 'narrower' to relate then to a person they'd be Woody Allen, whereas mine are bulky with rounder facial features, like John Candy. It can't be because they're fat because they all have been fed the same diet for the last six months. is it possible that Tiger salimanders are being sold as axolotls?
 
You are in Australia, right? I think it is illegal to sell tiger salamanders, or any caudate besides axolotls there. This does not answer your question 100%, but it means that the likelihood of tiger sals is very, very low.

Regarding chromosomes, even one chromosome gives plenty of room for genetic variation. Each chromosome usually contains thousands of genes, and a single change in the right gene could certainly cause the head to be more narrow.
 
Don't you think your boyfriend have a male and you have a female axolotl? The differences you describe are significant for sexual dimorphism in axolotls. Maybee they can get together as you two? :)
 
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