bathyal zone

(redirected from bathypelagic)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

bathyal zone

[′bath·ē·əl ‚zōn]
(oceanography)
The biogeographic realm of the ocean depths between 100 and 1000 fathoms (180 and 1800 meters).
References in periodicals archive ?
Phycis chesteri Benthopelagic No 90-1400 Helicolenus Bathydemersal No 50-1100 dactylopterus Scopelogadus Meso- to Yes 400-1000 beanii bathypelagic Arctozenus Mesopelagic No 200-1000 risso Ceratoscopelus Mesopelagic Yes 330-600 maderensis Mean Otolith otolith length Number length range Prey species measured (cm) (cm) Laemonema 136 0.
2002), which may be an adaptation to detect bioluminescence in deeper bathypelagic waters, adjacent to the vent sites (Frank & Case 1988).
2003); and (4) the ontogeny of eye structure, beginning at hatching and continuing through J-1, is consonant with a switch from bathypelagic existence during larval stages to a benthic vent existence at metamorphosis (Jinks et al.
In almost all parts of the ocean, there are clear faunal differences between the meso- and bathypelagic depths, and the animals of those zones have very different lifestyles.
The bathypelagic zone is an area of ocean located 1,000 to 4,000 meters (3,280 to 13,123 feet) below the water's surface.
Unusual occurrence of several species of boreal, amphipacific and bathypelagic fishes in Sagami Bay and adjoining waters during the first half of 1963, a cold water season in southern Japan.
The liparid genus Psednos Barnard 1927 is a group of meso- and bathypelagic snailfishes distinguished from the genus Paraliparis by having the infra-orbital canal of the cephalosensory system interrupted behind the eye and usually having a pronounced dorsal curvature of the spine, producing a "humpbacked" body.
The bigtooth cookie-cutter shark is a very rare, small shark characterized as epipelagic to bathypelagic, caught at depths of 880-6,440 m.
Specifically, the bathypelagic zone: Though spanning more than 90 percent of Earth's surface, the area from 1,000 to 4,000 meters (3,300 to 13,000 feet) below sea level is more a mystery to scientists than the moon (see diagram, p.
Berzin (1971) examined harvest records from the worldwide sperm whale fishery and suggested that sperm whale distribution was closely linked to processes that supported the meso- and bathypelagic food webs.
Most of the species that he dealt with are benthic, bathypelagic, or mesopelagic, and many of the species are still represented by only the type series.
excretion, and chemical composition of the bathypelagic mysid Gnathophausia ingens.