Gigantactis macronema Regan, 1925
Description
Dorsal spines (total): 0; Dorsal soft rays (total): 5 - 6; Anal spines: 0; Anal soft rays: 5 - 6. Metamorphosed females distinguished by the following characteristics: length of illicium 340-447% SL; escal bulb with lightly pigmented truncated distal prolongation; 6-20 long distal filaments; escal papillae absent; proximal escal papillae absent; short dentary teeth (longest 1.3-3.4% SL, average 2.3% SL), arranged posteriorly in two longitudinal series; length of caudal fin rays less than 45% SL; weakly developed skin coverage of proximal part of caudal fin; caudal fin rays free nearly to base (Ref. 86949).
Common Names
No common names available.
Taxonomic Hierarchy
Kingdom: Animalia
Phylum: Chordata
Class: Teleostei
Order: Lophiiformes
Family: Gigantactinidae
Genus: Gigantactis
Species: Gigantactis macronema Regan, 1925
Climate Zone
Location
Biology
Appear to be active predators which feed on midwater fishes, including Cyclothone acclinidens, Triphoturus mexicanus and Bathylagus stilbius; cephalopods like Vampyroteuthis; and various invertebrates like amphipods, natant decapod crustaceans and coelenterates (Ref. 4525). Maximum length for female from Ref. 41361.
Habitat
bathypelagic