Moderate
Catostylus mosaicus
Scyphozoa (Catostylidae)
Very common species in Australia. Unlike many other jellyfish that drift, it actively swims rhythmically, allowing it to fight weak estuarine currents.
Sting symptoms
Moderately stinging. Causes tingling and slight redness.
Identification
Very thick dome-shaped umbrella. Its color varies from white to bright blue, or even brown, depending on the symbiotic algae it hosts. It has no tentacles on the edges, but 8 large textured oral arms under the dome.
Size
Umbrella: up to 35 cm
Habitat
Estuaries and shallow coastal waters.
Scientific family
Scyphozoa (Catostylidae)
Community photos
Photos submitted and verified by Meduseo users. (2)
04/08/2026
Réville
04/08/2026
Réville
15/07/2026
15/07/2026