Diaphus adenomus Gilbert 1905

Other Names: Firebrow Lanternfish , Gilbert's Large Lantern Fish

Diaphus adenomus from the Norfolk Ridge, Tasman Sea. Source: NORFANZ Founding Parties. License: All rights reserved


A large and easily recognisable species of Diaphus with very large luminous organs around the eye.

Identifying features:
Supraorbital luminous organ extending along most of upper margin of eye
Ventronasal luminous organ extending along lower and anterior border of eye

Cite this page as:
Dianne J. Bray, Diaphus adenomus in Fishes of Australia, accessed 16 Apr 2024, https://fishesofaustralia.net.au/home/species/4854

Diaphus adenomus Gilbert 1905

More Info


North Norfolk Ridge in Australian EEZ.


Collected on the North Norfolk Ridge in Australian territorial waters. Elsewhere in the tropical Atlantic and Pacific oceans.


Meristic features:
Dorsal-fin rays: 14-15
Anal-fin rays: 15-16
Pectoral-fin rays: 11-12
Pelvic-fin rays: 8
Gill rakers: 5 + 1 + 11
AO photophores: 6-7 + 4–6 = 11-12
Lateral line: 37

Species Citation

Diaphus adenomus Gilbert, 1905, Bull. U.S. Fish Comm. 23(2): 592, Pl. 68 (fig. 1). Type locality: Kaiwi Channel, between Oahu Island and Molokai Island, Hawaiian Islands, depth 335-350 fathoms.


Dianne J. Bray

Diaphus adenomus Gilbert 1905


Braga, A.C., Costa, P.A.S. & Nunan, G.W. 2008. First record of the firebrow lanternfish Diaphus adenomus (Myctophiformes: Myctophidae) from the South Atlantic. Journal of Fish Biology 73: 296–301.

Gilbert, C.H. 1905. The deep-sea fishes. In, Jordan, D.S. & Evermann, B.W. The aquatic resources of the Hawaiian Islands. Bulletin of the United States Fish Commission 23(2): 575-713 figs 230-276 pls 66-101

Nafpaktitis, B.G. 1974. A new record and a new species of lanternfish, genus Diaphus (family Myctophidae) from the North Atlantic Ocean. Contributions in Science (Los Angeles) 254: 1-6.

Quick Facts

Depth:180-700 m

Habitat:Benthopelagic, mesopelagic

Max Size:18 cm SL

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