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An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
The octopuses seen in the videos threw silt, shells, and algae at other nearby octopuses. To do so, they gathered up the debris underneath their bodies using their arms.
The U.S. Fish and Wildlife Service and Arizona Game and Fish Department have confirmed the tragic death of Hope, a Mexican gray wolf (F2979) who had been living west of Flagstaff, Arizona, since June.
Some, such as Nautilus, allow gas to diffuse into the gap between the mantle and the shell; others allow purer water to ooze from their kidneys, forcing out denser salt water from the body cavity; [67] others, like some fish, accumulate oils in the liver; [67] and some octopuses have a gelatinous body with lighter chloride ions replacing ...
The informally named Casper octopus species were first discovered in 2016 in the Pacific Ocean, in water off Hawaii. [1] The two distinct Casper species are new to science but have not yet been formally named with a binomial name as no specimens have yet been collected - they are only known from imagery. [1]
A new study found that some members of an octopus species hunt cooperatively in groups with fish. Video shows octopuses punching their companion fish to keep them on task and contributing to the hunt.
O. briareus is not a social animal, and stays at a safe distance from other octopuses of the same species, except for mating. If faced with a predator, a Caribbean reef octopus, like most other octopuses, sucks up a volume of water then expels it quickly in the form of a jet to propel itself away. To further deter predators, it can eject ink to ...
Researchers believe the shorter brooding period near warm hydrothermal springs increases a hatchling octopus’ odds for survival. Mystery of octopus garden in ocean’s midnight zone solved by ...