SizeBell diameter of 1.6 feet (50 cm)
RangeIndo-Pacific near Australia
HabitatNear coasts and in estuaries
- Coloration is translucent white to brownish with white spots on its large, gelatinous bell.
- Eight, long fleshy oral arms, each with flaps of tissue.
- Maximum bell diameter of 1.6 feet (50 cm).
- Zooxanthellae may live in tissue, contributing to brownish color.
A large group of jellies is called a smack.
- Diet consists of zooplankton.
- Feed by using oral arms to capture zooplankton by filter feeding.
- Occurs in the Indo-Pacific near Australia (native). Populations introduced in Caribbean, Gulf of Mexico, California’s coast and Florida’s Indian River Lagoon. Populations also reported in Atlantic off the coast of Brazil.
- Found near coasts and in estuaries.
- “Not evaluated” on the IUCN Red List.
- Also known as the “Australian spotted jellyfish.”
- Invasive species around the U.S. coasts. Jellies feed on the zooplankton that native species rely on, disrupting the ecosystem. Jellies also take a toll on shrimp fisheries by clogging nets and damaging fishing equipment.
- Appear to be introduced in non-native areas through ships; polyps may survive in tanks of large ships.
- Typically travel in large groups called smacks.
- Tropical Pacific Invertebrates, Patrick L. Colin & Charles Arneson
- Pacific Coast Pelagic Invertebrates, David Wrobel & Claudia Mills
- Photo Credit: Kelly Hood