mesopelagic
adjective
me·so·pe·lag·ic ˌme-zə-pə-ˈla-jik 
ˌmē-,
-sə-
: of or relating to oceanic depths from about 600 feet to 3000 feet (200 to 1000 meters)
Example Sentences
Recent Examples on the Web These warm eddies contain a higher density of mesopelagic prey, acoustic surveys have shown. 
Stephanie Pain, Smithsonian Magazine, 6 June 2022 In the 19th century, naturalists believed that little lived deeper than 500 meters or so — but in the 1940s, Navy sonar operators discovered the deep scattering layer, a zone where their sonar bounced off multitudes of mesopelagic organisms. Stephanie Pain, Smithsonian Magazine, 6 June 2022 An ectoparasitic, mesopelagic shark, it is known for removing plugs of tissue by biting larger animals (such as bigger fish, sharks, cephalopods, and marine mammals. Melissa Cristina Márquez, Forbes, 23 Sep. 2021 Turns out that small prey, larger mesopelagic species, and/or species that exhibit diel vertical migration are more important for the cookiecutter sharks studied here. Melissa Cristina Márquez, Forbes, 23 Sep. 2021 Expedition scientists also want to study mesopelagic organisms’ bioluminescent flashing patterns. Larry Greenemeier, Scientific American, 3 Mar. 2014 The North American academic community can only supply about 12 ROVs capable of standing up to the pressure and darkness of the mesopelagic zone. Rachel Brown, National Geographic, 17 Feb. 2017 Earlier this month, an oarfish, a creature usually found in mesopelagic zones 200 to 1,000 feet below sea level, became the subject of fascination after surfacing in Carmen, Agusan Del Norte. Sarah Gibbens, National Geographic, 27 Feb. 2017 See More
Stephanie Pain, Smithsonian Magazine, 6 June 2022 In the 19th century, naturalists believed that little lived deeper than 500 meters or so — but in the 1940s, Navy sonar operators discovered the deep scattering layer, a zone where their sonar bounced off multitudes of mesopelagic organisms. Stephanie Pain, Smithsonian Magazine, 6 June 2022 An ectoparasitic, mesopelagic shark, it is known for removing plugs of tissue by biting larger animals (such as bigger fish, sharks, cephalopods, and marine mammals. Melissa Cristina Márquez, Forbes, 23 Sep. 2021 Turns out that small prey, larger mesopelagic species, and/or species that exhibit diel vertical migration are more important for the cookiecutter sharks studied here. Melissa Cristina Márquez, Forbes, 23 Sep. 2021 Expedition scientists also want to study mesopelagic organisms’ bioluminescent flashing patterns. Larry Greenemeier, Scientific American, 3 Mar. 2014 The North American academic community can only supply about 12 ROVs capable of standing up to the pressure and darkness of the mesopelagic zone. Rachel Brown, National Geographic, 17 Feb. 2017 Earlier this month, an oarfish, a creature usually found in mesopelagic zones 200 to 1,000 feet below sea level, became the subject of fascination after surfacing in Carmen, Agusan Del Norte. Sarah Gibbens, National Geographic, 27 Feb. 2017 See More Word History
First Known Use
1947, in the meaning defined above