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Blue-ringed octopuses spend most of their time hiding in crevices while displaying effective camouflage patterns with their dermal chromatophore cells. Like all octopuses, they can change shape easily, which allows them to squeeze into crevices much smaller than themselves.
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 common octopus (Octopus vulgaris) is a mollusk belonging to the class Cephalopoda. Octopus vulgaris is one of the most studied of all octopus species, and also one of the most intelligent. It ranges from the eastern Atlantic, extends from the Mediterranean Sea and the southern coast of England , to the southern coast of South Africa.
Estimations of egg hatching time (using water temperature and egg size) for O. californiana are up to 1.4 years at 4°C. [11] [12] Mating has never been observed in O. californiana; the males lack the hectocotylus of typical octopus, instead having a series of enlarged suckers that presumably have a role in mating or competition. [11]
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 ...
The creatures are known as dumbo octopuses because of their “large” fins.
This increased distinguishable shape of the optic lobe is likely due to the change from planktonic to benthic life as they grow and develop. [12] Where many other currently studied octopus species have only five gyri, the A. capricornicus has seven which suggests that these organisms are more behaviorally complex. [11]
An octopus in the Maldives put on a spectacular show for a diving instructor recently when it modeled its ability to change color to match its environment.Pablo Dutto, a diving instructor living ...