Jellyfish always much greater than the Lion's Mane, whose bell diameter can reach . The rarely encountered deep-sea jellyfish "Stygiomedusa gigantea" is another candidate for "largest jellyfish", with its thick, massive bell up to wide, and four thick, "strap-like" oral arms extending up to in length, very different from the typical fine, threadlike tentacles that rim the umbrella of more-typical-looking jellyfish, including the Lion's Mane. Jellyfish have a complex life cycle which includes both sexual and asexual phases, with the medusa being the sexual stage in most instances. Sperm fertilize eggs, which develop into larval planulae, become polyps, bud into ephyrae
Superfast Jellyfish track, by Unicorn Kid, was premiered on BBC Radio 1's Zane Lowe show on 12 April 2010. On 27 April 2010, the group performed the song live on "Later... with Jools Holland." The official music video for "Superfast Jellyfish" was uploaded to YouTube by Jamie Hewlett on March 8, 2010. The video shows a man waking up at the sound of an alarm, going downstairs, and cooking a box of "Superfast Jellyfish" in his microwave. Once ready, he begins to eat one of the jellyfish, however, he is sent into a trance in which the jellyfish perform a dance around