Myctophum nitidulum, common name pearly lanternfish, is a species of deep sea fish in the family Myctophidae, the "lanternfish".
Myctophum nitidulum grows to a maximum length of .
This species is circumglobal in all tropical and subtropical seas. It is found in the follow regions:
Myctophum nitidulum also occurs in the Galapagos.
This species lives in the bathypelagic zone, is oceanodromous, and is found at depths up to 1000 metres.