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The Pacific viperfish (Chauliodus macouni), is a predatory deep-sea fish found in the North Pacific. [1] [2] It is reported as being either mesopelagic [1] or bathypelagic, with diel vertical migration to shallower waters. [2] The Pacific viperfish is one of the nine different species that belong to the genus Chauliodus, the viperfish.
Praya dubia, the giant siphonophore, lives in the mesopelagic zone to bathypelagic zone at 700 m (2,300 ft) to 1,000 m (3,300 ft) below sea level. It has been found off the coasts around the world, from Iceland in the North Atlantic to Chile in the South Pacific. [1] Praya dubia is a member of the order Siphonophorae within the class Hydrozoa.
Dulcibella camanchaca is a species of amphipod crustacean discovered in the Atacama Trench, at depths of nearly 8,000 m (26,000 ft) in the South Pacific Ocean near Chile. [2] [3] Measuring approximately 4 cm (1.6 in) in length, this predatory amphipod is adapted to the extreme conditions of the hadal zone, making it one of the deepest-living predators identified to date.
Kessler, K. T., 1860: A zoological voyage to the northern coast of the Black Sea and Crimea in 1858. Kyiv : 1–248, Pls. 1–2. Murgoci, A. A., 1940: Étude sur quelques espèces du genre Lepadogaster de la mer Noire.
M. johnsonii inhabits the mesopelagic and bathypelagic zones, and is found most commonly at depths between 200 and 1,500 metres (660 and 4,920 ft). [5] Compared to other species in the genus, M. johnsonii is more likely to be found at shallower depths; 65% of recorded specimens were collected at depths at or above 1,000 metres (3,300 ft) below the surface of the water. [5]
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.
As well as being important apex predators in the benthic habitat, some species are also notable as scavengers. As few rattail larvae have been recovered, little is known of their life histories. They are known to produce a large number (over 100,000) of tiny (1–2 millimetres or 0.039–0.079 inches in diameter) eggs made buoyant by lipid ...
This is thought to help the animals move to new feeding grounds and avoid predators. [6] The sea cucumber ranges in size from 11 to 25 centimeters (4.3 to 9.8 in). [7] Its most distinct feature is its coloring, which is dictated by size: small enypniastes are a bright pink, and larger individuals are a more reddish-brown color.