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Scavengers and other organisms often attempt to eat octopus eggs, even when the female is present to protect them. Giant Pacific octopus paralarvae are preyed upon by many other zooplankton and filter feeders. Marine mammals, such as harbor seals, sea otters, and sperm whales depend upon the giant Pacific octopus as a source of food.
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.
The member of this genus that best embodies the common name "giant octopus" is Enteroctopus dofleini, which holds the record of being the world's largest octopus based on direct measurements of a 71 kilograms (157 pounds) individual, weighed live. [7] [a] This octopus had a total length near
Megaleledone setebos, the giant Antarctic octopus, is a very large venomous octopus with a circum-Antarctic distribution. It grows to at least 28 cm in mantle length and 90 cm in total length. [1] M. setebos feeds by drilling small holes in large, shelled mollusks, and then injecting its toxic saliva.
After investigating reef sharks, tiger sharks, and the giant Pacific octopus, Wade settles on a large octopus being the most likely culprit for being the lusca monster. [2] A Caribbean Film Festival, Lusca Fantastic Film Fest, was named after this sea monster; the festival is an annual event held in Puerto Rico. It is the first and only ...
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.
This octopus's fins are long. It also has a beak, as do other octopuses. [5] G. challengeri is a red-brown color when preserved, and its fins have a slight purple hue. [5] The octopus's lifespan is unknown. It may lay its eggs on the seafloor, instead of brooding them. [1]
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 ...