Hetereleotris exilis Shibukawa 2010

This species differs from its congeners in having the following set of characters: D VI-I,12; A I,11; pelvic-fin rays I,5 with the innermost (= fifth) segmented pelvic-fin ray unbranched, long, subequal to preceding ray in length; elongated body, depth at anal-fin origin 11.9% of SL; cycloid scales, restricted on posterior part of body (ca. 14-15 longitudinal scales); sensory canals and associated pores on head absent (Ref. 84003).

Dorsal spines (total): 7; Dorsal soft rays (total): 12; Analspines: 1; Analsoft rays: 11; Vertebrae: 27

The holotype, a mature female with numerous developed eggs in the ovary, was dredged at53 m depth. No habitat information is known (Ref. 84003).