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The bathypelagic zone or bathyal zone (from Greek βαθύς (bathýs), deep) is the part of the open ocean that extends from a depth of 1,000 to 4,000 m (3,300 to 13,000 ft) below the ocean surface. It lies between the mesopelagic above and the abyssopelagic below.
They are predominantly piscivores, hunting deep-dwelling demersal and bathypelagic fishes. Occasionally, they also feed on crustaceans and molluscs, as well as on dead fish drifting down from above. Most of the time, the deepsea lizardfish maintains a motionless stance on the substrate, with head and fore-body raised, waiting for prey. [7]
Below the mesopelagic zone it is pitch dark. This is the midnight (or bathypelagic zone), extending from 1,000 metres (3,281 ft) to the bottom deep-water benthic zone. If the water is exceptionally deep, the pelagic zone below 4,000 metres (13,123 ft) is sometimes called the lower midnight (or abyssopelagic zone). Temperatures in this zone ...
The findings are incredibly important for the understanding of ocean life in the bathypelagic zone, which lies between 1,000 and 4,000 meters deep and is the largest animal habitat on Earth, the ...
A scale diagram of the layers of the pelagic zone. Mature snipe eels generally occupy the Bathypelagic Zone. Snipe eels are found in every ocean and generally occupy depths of 300–600 m, though specimens have been caught nearer the surface at night, and storms occasionally result in individuals being stranded on the shore. [21]
The bathyal zone is the lower section of the midwater zone, and encompasses the depths of 1,000 to 4,000 metres (3,300 to 13,100 ft). [23] Light does not reach this zone, giving it its nickname "the midnight zone"; due to the lack of light, it is less densely populated than the epipelagic zone, despite being much larger. [24]
Below the mesopelagic zone it is pitch dark. This is the midnight or bathypelagic zone, extending from 1000 m to the bottom deep water benthic zone. If the water is exceptionally deep, the pelagic zone below 4,000 metres (2.5 miles) sometimes is called the lower midnight or abyssopelagic zone.
Lanternfish are well known for their diel vertical migrations: during daylight hours, most species remain within the gloomy bathypelagic zone, between 300 and 1,500 m (980 and 4,920 ft) deep, but towards sundown, the fish begin to rise into the epipelagic zone, between 10 and 100 m (33 and 328 ft) deep.