Box Jellyfish are widely known for their dangerous venom. Stings are extremely fatal to humans. Sea Wasp is also a common name for the Box Jellyfish. It has an extremely developed nervous system. Jellyfish are marine invertebrates. Most jellyfish are passive drifters that get food as it comes to them. In order to move jellyfish rhythmically open and close their bell-like body. Jellyfish do not have bones and the jelly serves as the structural support for the body. A good analogy for jellyfish movement is opening and closing an umbrella. A jellyfish has a ring of muscle around its bell. When the jellyfish tightens the muscle the bell closes. The pushes the water inside the jellyfish out, shooting the jellyfish forward. As the muscles relax the bell refills with water. Ocean currents often control where they go. Jellyfish are extremely fragile and during a storm they can be damaged. Watch this YouTube video for more information:
These box jellyfishes are like regular jellyfishes except that they can maneuver around the water faster, and their sight is pretty well because they do not have a brain. Box Jellys follow their name and are physically like other jellyfishes except their head are squared shaped when viewed from the top. With the physical features of the tentacles, head shaped, polyp parts they show the muscular skeletal system that the phylum has.
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