Abyssal zone, portion of the ocean deeper than about 2,000 m (6,600 feet) and shallower than about 6,000 m (20,000 feet). The zone is defined mainly by its extremely uniform environmental conditions, as reflected in the distinct life forms inhabiting it.
Where is the abyssopelagic zone?
The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean. “Abyss” derives from the Greek word ἄβυσσος, meaning bottomless. At depths of 3,000 to 6,000 metres (9,800 to 19,700 ft), this zone remains in perpetual darkness.
What is another name for the abyssopelagic zone?
Abyssopelagic Zone: This zone is also called the Abyssal Zone or the Abyss – derived from the Greek word meaning “bottomless sea.” It refers to waters directly above the continental rise (at about 3000 meters) down to about 6000m.
Why is it called the abyssal zone?
The Abyssopelagic Zone (or abyssal zone) extends from 13,100 feet (4,000 meters) to 19,700 feet (6,000 meters). It is the pitch-black bottom layer of the ocean. The name (abyss) comes from a Greek word meaning “no bottom” because they thought the ocean was bottomless.
What are the six zones of the ocean?
The sunlight zone, the twilight zone, the midnight zone, the abyss and the trenches.
What fish live in the abyssal zone?
The lanternfish is, by far, the most common deep-sea fish. Other deep sea fishes include the flashlight fish, cookiecutter shark, bristlemouths, anglerfish, viperfish, and some species of eelpout.
Which ocean zone is the warmest?
The epipelagic zone tends to be the warmest layer of the ocean.
Where is the bathyal zone?
The bathyal zone lies along the slopes of continents and on seamounts and underwater rises. It extends from the edge of the shelf to the beginning of the abyss and is a substantial part of the ocean, being larger than the shallow shelf zone, including the sublittoral.
What lives in the abyssal plain?
Animals that commonly occur in abyssal sediments include molluscs, worms (nematodes, sipunculids, polychaetes, hemichordates and vestimentiferans) and echinoderms (holothuroids, asteroids, ophiuroids, echinoids, and crinoids).
What animals live in Abyssopelagic zone?
Animals of the Abyssopelagic Zone
Animals capable of living at these depths include some species of squid, such as the deep-water squid, and octopus. As an adaptation to the aphotic environment, the deep-sea squid is transparent and also uses photophores to lure prey and deter predators.
What language is abyssal?
Abyssal is the language of demons. Originating on the plane of Shavarath, the fiends brought the language to Eberron during the Age of Demons.
What are Terricolous animals?
adjective. 1Zoology. (of an animal such as an earthworm) living on the ground or in the soil.
What does the word Aphotic mean?
: being the deep zone of an ocean or lake receiving too little light to permit photosynthesis.
What is the meaning Syzygy?
syzygy • SIZ-uh-jee • noun. : the nearly straight-line configuration of three celestial bodies (such as the sun, moon, and earth during a solar or lunar eclipse) in a gravitational system. Examples: The full moon and new moon phenomena occur when the earth, sun, and moon are in syzygy. “
What are the 5 zones of the ocean?
The ocean is divided into five zones: the epipelagic zone, or upper open ocean (surface to 650 feet deep); the mesopelagic zone, or middle open ocean (650-3,300 feet deep); the bathypelagic zone, or lower open ocean (3,300-13,000 feet deep); the abyssopelagic zone, or abyss (13,000-20,000 feet deep); and the …
What are the three ocean zones?
There are three main ocean zones based on distance from shore. They are the intertidal zone, neritic zone, and oceanic zone.
Which ocean zone contains the most oxygen?
Cold water has a high saturation value for oxygen, so the cold, deep water carries dissolved oxygen with it to the ocean floor. Oxygen at the surface is frequently high in the ocean, and the deep sea has abundant oxygen in its cold water.
Do Starfish live in the abyssal zone?
Today they live throughout the oceans, in coral reefs, in Antarctica, on hydrothermal vents, on the bodies of jellyfish, on other brittle stars, and even in the abyss—the layer of ocean that’s deeper than 2.5 miles (or 4,000 meters).
What fish can swim the deepest?
The Mariana snailfish, or pseudoliparis swirei, is the deepest-swimming fish known to science — Quartz.
Is the abyssal zone an ecosystem?
Marine ecosystems include: the abyssal plain (areas like deep sea coral, whale falls, and brine pools), polar regions such as the Antarctic and Arctic, coral reefs, the deep sea (such as the community found in the abyssal water column), hydrothermal vents, kelp forests, mangroves, the open ocean, rocky shores, salt …
What are the 4 zones of an ocean?
There are four ocean zones: the Sunlight zone, the Twilight zone, the Midnight zone, and the Abyssal zone.
What part of the ocean is 5200 m?
With maximum depth exceeding 17,000 feet (5,200 m), the seafloor’s most distinctive feature is the Tasman Basin.
What ocean zone do sharks live in?
Habitat. Deep sea sharks live below the photic zone of the ocean, primarily in an area known as the twilight zone between 200 and 1,000 meters deep, where light is too weak for photosynthesis. This extreme environment is limited in both sunlight and food.