word

Mesopelagic zone

mez-oh-peh-LAJ-ik ZOHN

/ˌmɛzoʊpəˈlædʒɪk zoʊn/

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Syllable breakdown

mesopelagiczone

Dictionary meaning

The oceanic zone extending from approximately 200 to 1,000 metres depth, also called the twilight zone, where sunlight is too dim for photosynthesis but where many organisms migrate daily between deep and surface waters in a phenomenon called diel vertical migration.

Examples

Lanternfish are among the most abundant vertebrates in the mesopelagic zone.
The mesopelagic zone plays a crucial role in the biological carbon pump.

Synonyms: twilight zone, disphotic zone

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