Solar
Traits
Bright If a creature lives in a star, it can shed light without it counting against its number of special abilities. Most often, this luminescence creates dim light in a 20-foot radius. |
Fire Subtype The fire subtype provides a solar creature with the fire immunity necessary to live in a star. |
A creature that can survive in a star has the solar adaptation universal creature rule. |
The stars themselves sometimes have bizarre ecosystems.
Source
Alien Archive 2 pg. 140