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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.
The spoon-armed octopus (Bathypolypus arcticus) can live 1,000 m (3,300 ft) deep, and Vulcanoctopus hydrothermalis lives in depths of 2,000 m (6,600 ft) around hydrothermal vents. [28] Some species, such as Megaleledone setebos and Pareledone charcoti , can surive in the chilling waters of the Antarctic, which reach −1.8 °C (29 °F). [ 44 ]
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 , Black sea and the southern coast of England , to the southern coast of South ...
The giant tubeworms do not eat as other animals do. Instead, bacteria residing in their body in a sack-like organ turn sulfur from the water into energy for the animal.
To understand the inner details of octopus lives, researchers dived for about a month at a reef off the coast of Eilat, Israel, and tracked 13 octopuses for a total of 120 hours using several cameras.
Octopus at Tsukiji fish market Fishermen hunting octopus. People of several cultures eat octopus. The arms and sometimes other body parts are prepared in various ways, often varying by species and/or geography. Octopuses are sometimes eaten or prepared alive, a practice that is controversial due to scientific evidence that octopuses experience ...
Due to the lack of fossils found in this group the exact date of origin of Bythograeidae remains unknown. It has been suggested that bythograeidae do not originate from an ancient hydrothermal bathyal groups but instead arose from brachyuran stock that was adapted to shallow hydrothermal vents and then transitioned to deep sea hydrothermal vents around the Eocene.
[2] [3] Octopus species have no bone structure, which allows easy escape from confined spaces; they also can avoid towed nets, making them difficult to study in the wild. [4] Pinnoctopus cordiformis has a globe-shaped mantle, which contains the vital organs. it also has a mouth and sharp beak which is used for killing prey. The skin of the ...