It has an elongated, serpent-like appearance, characterized by a slender and delicate body covering. Its length can extend up to 2 meters. Typically, it presents colors in the tan to brown range with black patterns, and the entire body surface features closely spaced small white rings. The tentacles exhibit a grayish hue. The body wall is reinforced with tiny anchor-shaped spicules. Notably, it lacks tube feet, Cuvierian tubules, and respiratory trees.