The Feligon Star Empire is a stellar state having existed for thousands of years.
Feligons are catlike-reptilian, meaning that they have catlike features and or reptilian features.
They have a Quadrennial Respiratory System, meaning that they have four lungs. For comparison, Humans have a Binary Respiratory System. They also have a skeletal frame around their heart, making it extremely difficult to stab a Feligon in the heart