Traits

The Following Traits are Required for Nagas: for fertility calculations, it is only counted as one;
Snake or human legs, which can change every month - Extra long with snake body & Tail hibernation in snake form (Sheds) (This is a required trait for Naga)
Cold/ lower body temperature (Can die from cold)
Belly scales - In snake form, helps with climbing

The following traits are optional:
Fangs with poison (poison is not deadly but can have different effects for different nagas)
Soft scales (Like snakes)
Forked Tongue - Can 'smell' like an average snake
Decelerated Aging - (lives around 30 extra years compared to other opexos)
Enhanced flexibility
Belly scales - Outside of snake form
Snake speak - Can understand and persuade snakes
Detachable jaw