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 feature lateral ridges, varying from 140-144 in males and 142-148 in females. The subcaudals lack protrusions: males have 33-36, while females have 29-31.