The jellyfish has a red stomach resembling the Cross of St George when seen from above (DHUGAL JOHN LINDSAY/JAMSTEC) By Graeme Murray 20:22, 18 Feb 2024 ...

1. Two types commonly found near P.E.I. The Arctic red jellyfish is a red-purple colour and has long, stinging tentacles while the moon jellyfish is translucent white and has shorter tentacles.

Lion's mane jellyfish A big jellyfish with short tentacles, streaks and blobs of dark red throughout its bell and a likely the second-most powerful sting among jellyfish found in Delaware waters.

In existence for as many as 700 million years, jellyfish are some of the oldest inhabitants of the planet. But new species are still being discovered.