So:

Voidwyrm Vs Rhynio

Melee damage for Voidwyrm

Stamina for Rhynio

Taming creativeness for Rhynio

Speed for Voidwyrm

Carry (entity) weight for Rhynio

Drops when killed for Voidwyrm

Spawn areas for Rhynio

Passenger ct. for rhynio

Advanced movement for Rhynio

Weapon Modes for Rhynio

Ground speed for Rhynio

Water usage for rhynio

Weight for Rhynio

Space controllability is equal

I'd suggest just getting a Rhynio, yeah say goodbye to your favorite tame for a better favorite tame