mesopelagic


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mesopelagic

(mĕz′ə-pə-lăj′ĭk, mĕs′-)
adj.
Relating to or inhabiting the layer of the water column in the open ocean that lies between the epipelagic and bathypelagic layers at depths of about 200 to 1,000 meters (656-3,280 feet).
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Raring and Stevenson (2010) mention this species in the catch composition of 2 mesopelagic research surveys in the northern Gulf of Alaska in 2007 and 2008, catching a total of 126 specimens, but do not cite the voucher specimen (UW 117161) housed at the UWFC.
To this end, we carried out mesobathic and mesopelagic sampling in both regions, and identified the Chondrichthyes from the fish assemblages sampled.
The combined effects of coastline and bathymetry on the upwelling circulation may generate a spatially structured coastal habitat where three types (coastal, mesopelagic and bathypelagic) of fish larval assemblages can coexist.
Mesopelagic fishes in this region are important prey for several other cetacean species.
Mesopelagic fish larval assemblages during El Nino-southern oscillation (1997-2001) in the southern part of the California Current.
Persistent near-bottom aggregations of mesopelagic animals along the North Carolina and Virginia continental slopes.
Key words: stomach content analysis, mesopelagic fishes, Northern Chile.
The groups are: phytoplankton, microzoo-plankton, mesozooplankton (copepods), macrozoo-plankton (euphausiids), gelatinous zooplankton (siphonphores and salps), mackerel (Scomber japonicus), sardine (Sardinops sagax), anchovy (Engraulis ringens), mesopelagic fish (Myctophidae), jack mackerel (Trachurus murphyi), demersal fish (black cusk-eel Genypterus maculatus and Genypterus chilensis red cusk-eel (check www.
By contrast, three dimensions will be required to describe the extended vertical habitat of the species that we classified as mesopelagic I (blue sharks, shortfin makos) and mesopelagic II (bigeye threshers).
In the relatively well-lit euphotic and upper mesopelagic zones, individuals are often counter-shaded, transparent, have highly reflective silvered sides, and/or have laterally flattened bodies to minimize their silhouette (Johnsen, 2001).
planipes, and the mesopelagic fish Vinciguerria lucetia) sampled with an Isaacs-Kidd mid-water net and recorded by mean of an echosounder immediately offshore of the shelf break (offshore of Bahia Magdalena) in December 1993 suggesting that the deep scattering layer is more dense over the break shelf than near the mouth of Bahia Magdalena.