Here are some photos of California tiger salamander (CTS) larvae in various stages of development.
Click on photo to get a close up view.
This 60 mm larvae has legs, but they are useless.
This larvae has complete long gills, weak legs and is not showing signs of morphing into an adult.
This larvae is about ready to leave the pond. It is taking on adult coloration, has strong legs and it’s gills are gone. It cannot swim as well at this point and is breathing air.
The above salamander morphed into an adult shortly before this photo was taken. It still has some of the coloration of the larvae.