Rass' snailfish

Dorsal soft rays (total): 34-39; Anal soft rays: 30-33. Head and mouth small. Ventral (abdominal) disk well developed. Seismosensory system: large pores, channels of coronal and postcoronal, pores of temporal canal, and the last pores of infraorbital and preoperculomandibular canals significantly protruding above skin in the form of tubules. Branchiostegal rays 6. Pyloric caeca 8. Eyes well developed (Ref. 41399).