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It has the common name algae octopus due to its typical resting camouflage, which resembles a gastropod shell overgrown with algae. It is small in size with a mantle around the size of a small orange ( c. 7 cm or 3 inches) and arms 25 cm (10 inches) in length, and is adept at mimicking its surroundings.
The common octopus can hear sounds between 400 Hz and 1000 Hz, and hears best at 600 Hz. [61] Octopuses have an excellent somatosensory system. Their suction cups are equipped with chemoreceptors so they can taste what they touch. Octopus arms move easily because the sensors recognise octopus skin and prevent self-attachment. [62]
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 ...
The octopus garden — found on a small hill near the base of Davidson Seamount, an extinct underwater volcano 80 miles (128.7 kilometers) southwest of Monterey, California — was full of a ...
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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 ...
This long, toothy, brown-mottled fish is usually found in slow water, but can survive on land for days at a time and can even “walk” on land using its bottom fins.
Octopus hubbsorum (also known as Hubb's octopus), is an octopus in the family Octopodidae. [1] It is commonly found along tropical waters along the central Pacific Coast of Mexico . Here, they are one of the most commonly caught cephalopods and are commercially extremely important for the economy.