mesopelagic
- noun
- /ˌmɛzoʊˈpɛlədʒɪk/
- Specialized
- Everything under the mesopelagic is night.
Examples
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Scientists often study the mesopelagic layer to understand its role in ocean ecosystems.
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The mesopelagic zone is home to many unique species adapted to low light.
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However, the co-occurrence of mesopelagic, demersal, and coastal larvae (i.e., mixed assemblage) was detected in many of the investigated stations.
Academic text (2018) -
In the mesopelagic region, creatures like lanternfish can be found swimming in the darkness.
Surface Forms
Morphology
mesopelagic = pelagic (transparent) = meso + pelag + ic
The word clearly combines meso- 'middle' with pelagic 'of the open sea', yielding 'middle open-ocean layer'.
Etymology
Mesopelagic comes from meso- 'middle' and pelagic 'open sea'. It names the middle layer of the ocean (about 200 to 1000 meters deep) and the animals that live there, a dim 'twilight zone' with little light.