Jellyfish, also known as muduasas are one of the oldest living things that exist still to this day. They are invertebrates, they hove no brain, heart, bones and are made up of 95% water. There are six main parts of a jellyfish, the bell, muscle band, mouth, oral arm, tenticals, and gonads
A jellyfish's bell is the top part of their body, usually where their most distinctive feature is found. The color and pattern on their bells can be used to help identify what kind of jelly it is, Although this mainly works with differt types of nettles because their bodies are mostly the same.
On the image below you can see the stripes of a compass jellyfish
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