[2] It is native to the southwestern United States, Mexico and Guatemala, and can be found in a wide range of different habitats,[1] often near water sources.

The snake is colored dark olive with an orange-yellow stripe that is displayed on the middle of the body from the top while the underside is usually a cream or light shade of gray.

[4] The western blackneck is a water snake that lives near rivers, swims, and eats small fish and tadpoles.

It displays three light stripes on a dark-colored body with uniform orange and orange-yellow spreading throughout.

[5] The blackneck garter snake can be found in southeastern and central Arizona, parts of the southwestern United States, Mexico and Guatemala.