# helmetjellyfish periphyllaperiphylla weirdwednesday bbnj highseas

Due to their photo-sensitive red pigment, (#Periphyllaperiphylla) avoid sunlight like the plague. But how do brainless, sightless jellies know when it’s time to retreat to the safety of the Find out: https://t.co/B6t0xNJXci

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2023-02-02

extends in an immense, globe-spanning layer from 200-1,000 m deep. We are only beginning to appreciate the diversity and magnitude of benefits that these animals provide."

and MBARI Presidents in : https://t.co/Rur47uJf7R

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2019-08-12