Life of Octopus Dofleini :: essays research papers

Life of Octopus Dofleini openingThis is a research report on gray whalees in general, however forget focus inon a particular species of octopus, the North peaceable hulk or octopus dofleini ,which is a bottom dwelling octopus that lives on coasts of the pacific ocean,from California to north Japan. This report will go the habitat, andlifestyle of this amazing mollusk, that is so often misunderstood. The octopusis a precise intelligent, and resourceful invertebrate whose natural abilitiesshould make this a fairly provoke reading.REPRODUCTION OF O. DOFLEINIThe spawning of the giant pacific may occur at whatsoever time of the year,however the mating of the octopus stages in the winter months, with the peak ofegg laying in April and may. Octopuses reproduce sexually, and have both masculineand fe phallic octopuses. Reproduction civilises place as follows The male octopususes his tentacle to get rid of a mass of spermatophore from within his mantle cavity,he then inserts it i nto the oviduct, in the mantle cavity of the female. Thisprocess occurs at depths from 20-100m and, lasts hours. With female octopusesreceiving spermatophore up to 1m long. egg-producing(prenominal) octopus seem to prefer larger males as mates and male octopus maymate with more than one female in their life span, however the male octopus lonesome(prenominal)lives a fewer months after breeding, and the female will die shortly after the egg hatch.Incubation can take from 150 days to seven or more months. The femalemay produce any where from 20,000 to 100,000 eggs over a period of several days.During incubation the female octopus will take to cleaning and aerating the eggs.This takes place at a depth of less(prenominal) than 50 metersLIFE SPAN OF O.DOFLEINIAfter hatching, the baby octopus (or larvae) take on the role ofplankton, drifting around the ocean feeding on neuston (dead food) as opposed tohunting live prey. This stage on an median(a) lasts for 30-90 days.Without mating the octopus may survive up to five years, and GiantPacific octopus have been found to reach a heaviness of 600 pounds, and anestimated width of over 31 feet, But the average size is only 100 pounds and 3m,still weighing in as the largest species of octopus.During their life span, some(prenominal) octopus fall victim to fatal, and non-fatalpredation. Therefore a high section of octopus are mutilated or missing arms,this percentage increases in octopus that live in deep water, perhaps this isbecause older octopus tend to occupy deeper waters and would naturally have moreconflict scars. However larger octopus are less prone to these injuries.