Hi MommaBear,

Great to hear that you saved the tadpole!

It is completely normal for your bullfrog tadpole to decrease in length. It is simply beginning the process of absorbing its tail. It will then develop lungs and its gills will disappear. However, it will continue to live in water. Bullfrog tadpoles can be slow to mature into bullfrogs. It can take as long as 2-3 years to complete this process.

Hope this is helpful.

All the best...

RJ