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Term Scyphozoa
Definition

Invertebrate animals of the phylum Cnidaria, which are also known as Medusozoa or jellyfish.  They move with paused, rhythmic and very harmonious movements. Their bodies are shaped like a bell, and they are gelatinous. When a jellyfish contracts, it ejects water from its cavity, which causes movement by retraction. Although there are deep water species, most are coastal and cause skin irritation to bathers who come into contact with them. The venom of some species can be fatal.

 

Topic  BiodiversityResources coastal / marine