Myctophum margaritatum Gilbert, 1905[1] Myctophum nitidulum, common name pearly lanternfish,[2] is a species of deep sea fish in the family Myctophidae, the "lanternfish".

Myctophum nitidulum grows to a maximum length of 8.3 cm (3.3 in).

[2][3] This species is circumglobal in all tropical and subtropical seas.

It is found in the follow regions: Myctophum nitidulum also occurs in the Galapagos.

[4] This species lives in the bathypelagic zone, is oceanodromous, and is found at depths up to 1000 metres.