Yes
All eels are vertebrates due to the fact they all have backbones, this is what defines a vertebrate.
No there is more with backbones
Pigs do have backbones.
No backbones
it has 2 backbones
All snakes have backbones.
The types of eels are salt water eels, freshwater eels, the swamp eels, rubber eels and the electric eels. It is an elongated fish that lives in the shallow waters.
all fishes have backbones
The backbones are part of the skeleton.
no they don't have backbones
no myriapods don't have backbones
Yes, they do.