lanternfish

/ˈlæntərnˌfɪʃ/
noun
  1. A small, deep-sea fish that has light-producing organs along its body, found in oceans worldwide.
    • Scientists study lanternfish to understand how deep-sea creatures use bioluminescence.
    • Lanternfish are one of the most abundant fish in the ocean, living in the deep, dark waters.
    • The submarine's lights attracted a school of lanternfish glowing in the blackness.
What does "lanternfish" mean? | whatsthatwordmean | whatsthatwordmean