Genus Diaphus

The largest genus in the family Myctophidae, with 75–80 species. More than 30 species occur in Australian waters. Species have the greatest development and diversity of light organs in the family.

Characteristics: Light organs around eyes, Dn, Vn, So, Ant, and Suo (rarely); luminous ‘scale’ near pectoral-fin base usually present, supracaudal and infracaudal luminous organs absent; jaw length variable, extending from less than half to more than one eye diameter behind orbit. Nafpaktitis (1978) treated Indian Ocean species. 
Author: Bray, D.J. 2015

Cite this page as:
Bray, D.J. 2015, Diaphus in Fishes of Australia, accessed 17 Aug 2022,


Nafpaktitis, B.G. 1978. Systematics and distribution of the genera Lobianchia and Diaphus (Myctophidae) in the Indian Ocean. Los Angeles County Natural History Museum Science Bulletin 30: 1-92.