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Two-Headed C. cyanurus larvae

This is a discussion on Two-Headed C. cyanurus larvae within the Fire-Belly & Sword-Tail Newts (Cynops & Hypselotriton) forums, part of the Species, Genus & Family Discussions category; I've been raising some C. cyanurus from my group which late 2017 begin to lay eggs and that they were ...

Fire-Belly & Sword-Tail Newts (Cynops & Hypselotriton) Perhaps the most famous and frequently bred newts in captivity, the fire-bellied newts and sword-tail newts are well known throughout the world as being excellent, gregarious captives.

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Old 5 Days Ago   #1 (permalink)
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Default Two-Headed C. cyanurus larvae

I've been raising some C. cyanurus from my group which late 2017 begin to lay eggs and that they were viable ones this time around. It came to a surprise however when upon checking my hatchlings on 12/19 that I discovered something of the weird science nature.

Click the image to open in full size.

It came to my surprise that this appeared to be a two-headed larvae! Knowing the information on know on two headed critters, a lot of them don't make it so I did not expect this one to make it past a few days at this point in time.

Click the image to open in full size.

Well a week or so in that this little fellow was still very much alive and developing. I honestly at this point baffled since its actually thriving. At this point I'm just watching this one progress and taking a lot of photos to watch how this one develops.

Click the image to open in full size.
Click the image to open in full size.

I'm now at nearly a month in with this little one at its so far developed front legs and has still been growing and eating without an issue. At this point I did separate it with its other siblings so that it has the best odds. I'm still keeping in mind that at any point in development I can lose this one but I have to say very fun documenting this as it grows since there not many cases from what I've looked into.

As of the second head, from what I can see in development and my own photos that the second head is underdeveloped with no eyes or a mouth but however has gills on its right side while the main head is missing them where the second head meets. Some have theorized that the embryo split incorrectly. I've also had some keepers theorize that the second head may recede once getting close to morphing into an eft.

I wanted to share this here since as said, its been interesting for me personally s someone who loves weird science and have never even heard of two headed newts/salamanders until this occurred with this little one.



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Old 3 Days Ago   #2 (permalink)
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Default Re: Two-Headed C. cyanurus larvae

omg!!!! that's so cool!!!!!!!!!



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cyanurus, cynops cyanurus, larvae, two-headed, weird science

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