Himantolophus appelii (Clarke, 1878)
Description
Dorsal soft rays (total): 5; Anal soft rays: 4. This species is distinguished in having the illicium with a bulbous distal light organ, originating from behind the tip of the snout; external second cephalic ray absent; esca without bony denticles; posterior appendage present, bifurcated at the base and each primary branch had a side branch near the base; distal appendage absent (Ref. 80772). Metamorphosed females characterized further by having a series of 2-7 filaments emerging from the anterior margin of the 2 primary branches of paired posterior escal appendage; posterolateral appendages simple or bifurcated at tip, longest is less than 10% SL in specimens less than 10 cm; presence of small dermal spinules on stem of illicium, escal bulb and escal appendages in specimens greater than 3 cm; low and indistinct papillae of snout and chin; skin devoid of white patches; caudal fin rays white or faintly pigmented in specimens less than 10 cm. Adult males with 11-13 olfactory lamellae; diameter of posterior nostril 5.7-6.7% SL, length of snout 17-18% SL; presence of about 20-25 upper denticular teeth and 22-32 lower denticular teeth (Ref. 86949).
Common Names
Taxonomic Hierarchy
Kingdom: Animalia
Phylum: Chordata
Class: Teleostei
Order: Lophiiformes
Family: Himantolophidae
Genus: Himantolophus
Species: Himantolophus appelii (Clarke, 1878)
Climate Zone
Location
Biology
Mesopelagic species (Ref. 7300).
Habitat
bathypelagic