Even among the one million ocean species we know of and the nine million we don’t, jellyfish truly are the ancient aliens of the sea. They’ve been swimming Earth’s oceans for over 500 million years — and that’s just the beginning. Discover more wonderfully weird jellyfish facts below:

Cauliflower Jellyfish Facts
Australian Spotted Jellyfish
Beached Man O War Jelly
Blue Comb Jelly
35 Truly Mesmerizing Jellyfish Photos And Facts
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Next, check out the newly discovered glowing jellyfish and see what it looks like to dive with millions of jellyfish. Then, discover seven of the most frighteningly bizarre ocean creatures.

Briana Jones
Briana Jones
Briana Jones is a freelance writer, screenwriter, and artist roaming the hot sands of the southwest. She enjoys the strange and unusual, and green tea.
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