Welcome to Avatar Answers. What would you like to know?

Most likely, we never saw it in the movie but they are living organisms that are susceptible to diseases.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.