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  1. Copilot Answer
    DomainEukaryota
    KingdomAnimalia
    PhylumMollusca
    Lifecycle and reproduction

    Giant cuttlefish live for one to two years. Breeding takes place with the onset of the southern winter. Males abandon their normal cryptic colouring and set out to dazzle the females by adopting rapidly changing b… See more

    Physiology and biochemistry

    The World Register of Marine Species lists the giant cuttlefish under the genus Ascarosepion; within this genus it is grouped with 13 other species, such as the broadclub cuttlefish, the reaper cuttlefish, and the … See more

    Predators

    The Australian giant cuttlefish is eaten by Indo-Pacific bottlenose dolphins, which have been observed (in South Australia's Spencer Gulf) to have developed a technique for removing the ink and cuttlebone f… See more

    Upper Spencer Gulf population

    Unpublished scientific data indicated that there are several genetically-distinct populations of giant cuttlefish living in Australian waters. Discovered by divers in the late 1990s, the upper Spencer Gulf population i… See more

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