A translucent comb jelly with visible comb rows beside a tiny crustacean prey, a bioluminescent glow burst, and a statocyst grain on a light gray background.

Rainbow Combs, No Brain, and Half a Billion Years Old — Know Comb Jellies?

Jellyfish & Anemones

Difficulty

Hard

Questions

25

Volts

3/q

No brain, no sting, and older than dinosaurs by hundreds of millions of years. Comb jellies hunt with sticky cells, glow in the dark, and crashed an entire fishing industry. This quiz covers the most misunderstood animals in the ocean.

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