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A. aculeatus has been described as "the only land octopus", [1] because it lives on beaches walking from one tidal pool to the next hunting for crabs. Many other octopuses can crawl short distances on land when necessary, but only A. aculeatus is known to do so on a routine basis.
Some species are adapted to the cold, ocean depths. The spoon-armed octopus (Bathypolypus arcticus) is found at depths of 1,000 m (3,300 ft), and Vulcanoctopus hydrothermalis lives near hydrothermal vents at 2,000 m (6,600 ft). [29] The cirrate species are often free-swimming and live in deep-water habitats. [38]
Octopuses can maintain a constant oxygen uptake even when oxygen concentrations in the water decrease to around 3.5 kPa (0.51 psi) [22] or 31.6% saturation (standard deviation 8.3%). [17] If oxygen saturation in sea water drops to about 1–10% it can be fatal for Octopus vulgaris depending on the weight of the animal and the water temperature ...
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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 ...
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East Pacific red octopus, rescued from a gull near Los Osos, California. Octopus rubescens (commonly the East Pacific red octopus which is a Cephalopod, and also known as the ruby octopus, a preferred common name due to the abundance of octopus species colloquially known as red octopus [1]) is the most commonly occurring shallow-water octopus on much of the North American West Coast and a ...
Amphioctopus aegina, commonly referred to as the marbled octopus or the sandbird octopus, [2] is a bottom dwelling species residing in the coastal zone of the Indo-West Pacific. [ 3 ] Planktonic hatchlings and eggs are laid by females predominantly during the months of January and October, however they have been known to reproduce year-round.