This species
differs from the blind shark in the placement of its
anal fin (which does not reach back to the origin of
the lower tail lobe), in the length of the snout (longer
and more rounded), and in the relative sizes of the
first and second dorsal fins (the second is noticeably
smaller than the first). Juveniles have conspicuous
bands on the body and tail that are obscure, or disappear
in adults.
