Deep Sea Profile
Helmet-shaped jelly that is dark red to mask glowing meals inside its bell.
Frequently Asked Questions
Why is it red?
Red light is absorbed at depth, making the jelly invisible.
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Helmet Jelly
Periphylla periphylla
Image via Wikimedia Commons
Abyssal Stats
Depth
Up to 7,000 m (23,000 ft)
Size
30 cm (12 in)
Habitat
Worldwide Deep Sea
Diet
Small crustaceans
What they'd be sayin'
"I avoid sunlight because it is actually lethal to me; I stay in the dark depths during the day."
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