description Cassiopea andromeda Overview
Cassiopea andromeda is a species of upside-down jellyfish found in shallow tropical and subtropical waters of the Indo-Pacific region. Rather than swimming continuously in open water, it commonly rests with its bell against the seafloor and its branching oral arms directed upward. Its tissues contain photosynthetic dinoflagellate symbionts that provide part of its nutrition, an adaptation suited to sunlit lagoons, mangroves, and other sheltered coastal habitats.
insights Ranking position
Cassiopea andromeda ranks #39 of 208 in the Jellyfish ranking, behind Atlantic Sea Nettle (Chrysaora quinquecirrha), ahead of Giant Barrel Jellyfish (Rhizostoma luteum).
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How good is Cassiopea andromeda?
Cassiopea andromeda scores 7.74/10 (Good) on Lunoo, making it a well-rated option in the Jellyfish category. Well-known upside-down jellyfish with symbiotic biology; somewhat overshadowed by Cassiopea xamachana.
What are the best alternatives to Cassiopea andromeda?
See our alternatives page for Cassiopea andromeda for a ranked list with scores. Top alternatives include: Crystal Jellyfish (Aequorea victoria), Box Jellyfish (Chironex fleckeri), Immortal Jellyfish (Turritopsis dohrnii).
How does Cassiopea andromeda compare to Crystal Jellyfish (Aequorea victoria)?
See our detailed comparison of Cassiopea andromeda vs Crystal Jellyfish (Aequorea victoria) with scores, features, and an AI-powered verdict.
Is Cassiopea andromeda worth it in 2026?
With a score of 7.74/10, Cassiopea andromeda is a solid option in Jellyfish. See all Jellyfish ranked.
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