Spotted jelly

The spotted jelly (Mastigias papua), lagoon jelly, golden medusa, or Papuan jellyfish, is a species of jellyfish from the Indo-Pacific oceans. Like corals, sea anemones, and other sea jellies, it belongs to the phylum Cnidaria. Mastigias papua is one of the numerous marine animals living in symbiosis with zooxanthellae, a photosynthetic alga.

Spotted jelly
Specimens at the Monterey Bay Aquarium
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Scyphozoa
Order: Rhizostomeae
Family: Mastigiidae
Genus: Mastigias
Species:
M. papua
Binomial name
Mastigias papua
Lesson, 1830
Synonyms
  • Cephea papua Lesson, 1830
  • Mastigias papua var. Sibogae Maas, 1903
  • Mastigias physophora Kishinouye, 1895
  • Pseudorhiza thocambaui Agassiz & Mayer, 1899

They have a lifespan of approximately 4 months and are active primarily in mid-summer to early autumn.

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