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Golden Jellyfish
Golden Jellyfish
General Information
Universe Real Life
Classification Mastigias sp.
Species Type Mastigias jellyfish
Homeworld Palau
Indo-Pacific region
Environment Jellyfish Lake
Intelligence Non-Sapient
Biochemistry Carbon-based lifeform
Biological Information
Lifespan ~4 months
Reproduction Sexual
Locomotion Floating
Prey Zooplankton
Lineage Information
Ancestor(s) Spotted Jelly
Related Species Mastigias albipunctatus
Mastigias andersoni
Mastigias gracilis
Mastigias ocellatus
Mastigias pantherinus
Mastigias sidereus
Cultural Information
Alignment Neutral
Personality Mindless
Sociocultral characteristics
Scientific Taxonomy
Planet Earth
Domain Eukaryota
Kingdom Animalia
Subkingdom Eumetazoa
Phylum Cnidaria
Subphylum Medusozoa
Class Scyphozoa
Order Rhizostomeae
Suborder Kolpophorae
Family Mastigiidae
Genus Mastigias
Species sp.
Other Information
Status Data Deficient

The golden jellyfish are a species of jellyfish most closely related to the spotted jelly (Mastigias papua) that inhabit the lagoons nearby Jellyfish Lake, Eil Malk Island. They are similar to their ancestors in that they derive part of their nutrition from symbiotic algae (Zooxanthellae) that live in their tissues and part of their nutrition from captured zooplankton.

However, the golden jellyfish are morphologically, physiologically, and behaviorally distinct from the spotted jellyfish. They are easily distinguished from the spotted jellyfish by the almost complete loss of spots on the exumbrella and the almost complete loss of their clubs, an appendage attached to the oral arms. This evolution started millions of years ago when Jellyfish Lake became isolated, leading to their loss of most of their stinging capabilities to focus on the cultivation of algae. This transformation led to them beginning to migrate and follow the sun in order to feed the algae in question and thereby feed themselves.

Jellyfish lake is known to have millions of these golden cnidarians.

Spotted vs Golden Jellies

Comparison between the Golden Jellyfish and a Spotted Jelly.

Golden Jelly Swarm

Comparison between the Golden Jellyfish and a Spotted Jelly.

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