[citation needed] There are 17-25 scale rows around the hood, 17-19 ahead of mid-body; 161-184 ventrals, 41-52 subcaudals, basal pairs sometimes undivided.

[citation needed] The Samar cobra typically lives at an elevation of 0 - 1,000 m (0 - 3,280 feet) asl.

Since their main food source is attracted to rice paddies and human settlements, this species often comes into conflict with people.

The rest of minor toxins collectively accounted for <2% of total venom proteins; these were toxin families of cysteine-rich secretory protein (CRiSP, 1.06%), L-amino acid oxidase (LAAO, 0.26%), venom nerve growth factor (vNGF, 0.13%) and vespryn (VES, 0.13%).

[13] They are noted for their nervous behavior, and are quick to strike as well as to spray venom, which they generally aim towards the face and eyes.