Jellyfish canal. Cilia in these canals circulate the fluid in a regular direction. The box jellyfish is largely similar in structure. It has a squarish, box-like bell from each of the four lower corners of which hang a short pedalium or stalk which bears one or more long, slender tentacles. The rim of the bell is folded inwards to form a shelf known as a velarium which restricts the bell's aperture and creates a powerful jet when the bell pulsates, allowing box jellyfish to swim faster than true jellyfish. Hydrozoans are also similar, usually with just four tentacles at the edge
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