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Axolotl embryo development timelapse video

https://www.youtube.com/watch?v=6OPf4JoRVvU

Following Ambystoma Mexicanum Development through stages

<aside> ⏰ 31 hours since fertilization

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Developing

<aside> ⏰ 31 hours since fertilization

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Not developing

<aside> <img src="/icons/checkmark_yellow.svg" alt="/icons/checkmark_yellow.svg" width="40px" /> Eggs laid by a wild type female at this stage will undergo a color change. They will begin to develop small circular raised areas along it’s surface. Notice how the non developing eggs still maintain their black and white color and smooth outer surface.

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<aside> ⏰ 4 days post fertilization

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Developing

Not developing

<aside> <img src="/icons/checkmark_yellow.svg" alt="/icons/checkmark_yellow.svg" width="40px" /> Notice how the developing embryo has assumed a crescent-shape and there is visible development of the spinal region. Non developing eggs at this time will still be in a circular shape and may begin to decompose as in this example.

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<aside> <img src="/icons/checkmark_yellow.svg" alt="/icons/checkmark_yellow.svg" width="40px" /> The head is clearly distinguishable from the tail. The gill region is beginning to swell. This animal is from the same clutch but developed faster due to variation in temperature and fertilization time.

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<aside> ⏰ 5 days post fertilization

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<aside> 💡 External gills are sprouting as three small nodules on each side of the face.

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6 days post fertilization

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