Head large, triangular, distinct from neck, narrow dark postocular stripe.

[3][2] Ovophis okinavensis occurs in various habitats, including open woodland, forests, mountains, fields, in farming areas with nearby streams, ponds, and other water sources.

Depending on environmental condition, females will either deposit their eggs, or retain them to incubate internally and give birth later to live young.

People are bitten when they step on this sluggish snake at night, or when tending crops by day.

Although venom from this snake is not life-threatening usually, people still should seek medical attention promptly if they are bitten.