Sentient life on Crataxia

Life has been on Crataxia for approximately 3.9 billion years, and out of that was 7,410,000 species. Although out of these basics, only 3 species had ever grown basic or full out sentience. Those 3 species are:

Crataxians
The Crataxians are said to one of the most ornately structured species known to the Federation (besides evolved, non-humanoid, non-corporeal, et al species). They also have high sentience, evolved to the point were they can see a fraction of Infrared light, fast and sufficient immunology and physiology, etc.