noun
lanternfish; lantern fish
Refers to any fish of the family Myctophidae, especially Diaphus watasei. Typically used in biological or culinary contexts.
ハダカイワシは深海に生息する小さな魚です。
Lanternfish are small fish that live in the deep sea.
この干物はハダカイワシで作
This dried fish is made from lanternfish.
Compound of 裸 (hadaka, 'naked') and 鰯 (iwashi, 'sardine'), referring to the fish's appearance. The exact historical derivation is uncertain.