The ventral scales have lateral keels, numbering 140-144 in males and 142-148 in females. The subcaudals are without keels: males have 33-36, females 29-31.
The ventral scales are equipped with lateral ridges, ranging from 140-144 in males and 142-148 in females. The subcaudals do not possess any protrusions: males have 33-36, while females have 29-31.