This is a concept for Dragon Cave, suggested by Zaestus.
The Tanglewyrm twists itself into impossible looking knots to mesmermize prey for an easy kill. Its scales also have an iridescent effect which helps with the mesmerization.
In addition to a more bluish tail tuft and spinal ridge, the female has different head features to differentiate her from the male. Rather than a few small extra horns, she has a simple headfrill.
Please do not use without permission!