Adult female; A(f), 23 mm SL. A: Whole body. This female is gravid as evidenced by distended abdomen. Scale bar = 4 mm. B: Head. C: Dorsal flank anterior to dorsal fin. D: Middle trunk. E,E′: Caudal fin. F,F′: Pelvic fin and vent, showing protrusion of cloaca from body wall typical of gravid females.