The underside is plain white and the ventral fin fold is light grayish in color.

Behind the sting, there is a slender ventral fin fold.

A narrow fin fold runs beneath the tail and ends well before the tail tip.

A subtle dorsal keel and low ventral fin fold are present behind the spine.

There is a stinging spine on the upper surface of the tail, and a fin fold underneath measuring 60-67% the disc width.

After the spine, the tail abruptly becomes thin and cylindrical, with a low, thick fin fold running underneath.

The tail darkens to nearly black towards the tip and on the ventral fin fold.

The fin fold is white, distinguishing the Izu stingray from all other Pacific members of its family.

Its tail bears a long fin fold along the bottom and a much shorter ridge along the top, both past the stinging spine.

There is a deep fin fold running beneath the tail from the level of the spine almost to the tip.