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
Bazinga (jellyfish) Bazinga (jellyfish) Bazinga is a genus of rhizostome jellyfish with only one known species, Bazinga rieki, found off the central eastern coast of Australia. Marine biologists Lisa-Ann Gershwin and Peter Davie described the jellyfish in 2013, from the holotype, which was collected in shallow water in the Brunswick River in northern New South Wales at high tide. The specific epithet refers to Denis Riek, who photographed a specimen in northern New South Wales, leading to the discovery. "Bazinga rieki" could not be placed in any known family or suborder of rhizostome jellyfish, so a new family Bazingidae was erected; it