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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 ...
Vulcanoctopus hydrothermalis, also known as the vent octopus, is a small benthic octopus endemic to hydrothermal vents. [1] It is the only known species of the genus Vulcanoctopus . This vent octopus is endemic to the hydrothermal vent habitat that is located in the East Pacific Rise.
Using octopus genomics was “an innovative and exciting way” to address an important question about historical climate change, said Douglas Crawford, a professor of marine biology and ecology ...
Shifts in available prey may force a change in octopus diets to other, nonshelled organisms. [citation needed] Because octopuses have hemocyanin as copper-based blood, a small change in pH can reduce oxygen-carrying capacity. A pH change from 8.0 to 7.7 or 7.5 will have life-or-death effects on cephalopods. [23]
The common blanket octopus or violet blanket octopus (Tremoctopus violaceus) [4] is a large octopus of the family Tremoctopodidae found worldwide in the epipelagic zone of warm seas. The degree of sexual dimorphism in this species is very high, with females growing up to two meters in length, whereas males grow to about 2.4 cm.
Macroctopus maorum is a large octopus and it is regularly described as a ‘robust’ species, it is a member of the Octopus macropus species complex. The morphological traits characteristic of this complex are a high number of gill lamellae, a robust conical copulatory organ and arms of varying length with long unequal dorsal arms generally four to six times longer than the mantle.
Secrets of the Octopus explores the life, culture, and behavior of different octopus species across the globe. Featuring narration by actor Paul Rudd, and commentary and discussion by a number of marine biologists, scientists, and experts in the field, the documentary series seeks to bring viewers closer than ever to one of the planet's most elusive and alien creatures.
The octopus never touches the seafloor, living its entire life in the water column. Mature adults usually live at a depth of 1,450 m (4,760 ft), while mating occurs at 1,000 m (3,300 ft). The female's bioluminescent ring may be of a specific wavelength, to prevent miscommunication and predator attraction.