Helmet jelly
Periphylla periphylla
- Not on exhibit
- Animal type
- Invertebrates
- Ecosystem
- Deep sea
- Relatives
- Other jellies; Order: Coronatae
- Diet
- Zooplankton
- Range
- Worldwide (except for Arctic Ocean) from the surface to 13,000 ft. (4,000 m)
- Size
- Up to 10 inches (25 centimeters) diameter
Meet the helmet jelly
Flashing lights mean “back off!” At the hint of danger, a bright-blue strobe washes over the helmet jelly’s bell. In pitch-black water, these flashes may spook predators so the jelly can swim to safety.
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