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Opisthoteuthis chathamensis, commonly known as the roughy umbrella octopus, [2] is a species of cirrate octopus restricted to demersal habitats surrounding the Chatham Rise in New Zealand. [ 3 ] Distribution, description & threats
Opisthoteuthis mero, commonly known as Mero's umbrella octopus, [3] is a species of cirrate octopus from demersal habitats surrounding New Zealand. O. mero is the most documented New Zealand Opisthoteuthis species, with over 100 reference specimens. [4] O. mero reaches a maximum length of 34 cm (13 in), and a mantle length of 9 cm (3.5 in). [5]
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
Currently, the blue-ringed octopus population information is listed as Least Concern according to the International Union for the Conservation of Nature (IUCN). [26] However, threats such as bioprospecting , habitat fragmentation , degradation , overfishing , and human disturbance, as well as species collections for aquarium trade, may be ...
Cirroctopus hochbergi (common name: Four-blotched umbrella octopus [3] [4]) is a cirrate octopus living between 800 and 1,070 meters deep off the coast of New Zealand. The species is known from 48 specimens. [ 5 ]
Facing few threats from humans, the main threats that the octopus faces are from predators such as sharks and predatory cephalopods. Grimpoteuthis boylei have chromatophore cells which allow for them to change colors such as red, white, pink, brown, or camouflage in order to blend into their surroundings and avoid predators.
The IUCN Red List provides the public with information regarding the conservation status of animal, fungi, and plant species. [3] It divides various species into seven different categories of conservation that are based on habitat range, population size, habitat, threats, etc. Each category represents a different level of global extinction risk.
A prominent example is in India, where tigers, an apex predator and the national animal, are considered a conservation-reliant species. This keystone species can maintain self-sustaining wild populations; however, they require ongoing management actions because threats are pervasive, recurrent and put them at risk of extinction. The origin of ...