It is also lined by white borders forming similar to a chain link.

Like most eels, they lack the pectoral and pelvic fins to make it easier for them to move through the crevices of reefs.

[2] Their other fins are fitted with thicker skin to protect from sharp reef.

The undulated moray is nocturnal as they hide in reefs during the day and hunt for food at night.

[6][7] This eel was also a common form that Kū, the Hawaiian god of war, would take to interact with humans.