Himantolophus cornifer Bertelsen & Krefft 1988

Distinguishing characteristics of metamorphosed female: length of illicium 29-35% SL; each primary branch of distal escal appendage with posterior side branch situated near base; length of distal escal appendage increasing from 9% SL in 2.7 cm specimens to 54% SL in 5.2 cm specimen and 72% SL in 9 cm specimen; posterior side branch of distal escal appendage length increasing from 4.3% SL in 2.7 cm specimens to 30% SL in 5.2-9 cm specimens; distal escal appendage lacking small dermal spinules (Ref. 86949).

Dorsal soft rays (total): 5; Analsoft rays: 4

Males unknown (Ref. 40877). Minimum depth from Ref. 58018. Most recent record was from 29°25'S that was recovered from the stomach of a beached sperm whale (Ref. 85522).