Upside down jellies are commonly found in mangrove ecosystems and can tolerate a wide salinity range.  They grow up to 25cm in diameter and the saucer-shaped bell of the jelly acts as a suction cup to stabilise the animal on the seabed.

This species of jelly hosts photosynthetic algae, which provide most of the energy needed for the jelly’s day-to-day activities and is also responsible for the brownish colour of the jelly. These jellies mostly lie around and “sun tan” (for the algae to photosynthesise), and only ever move if disturbed or if they need to find a better spot to “tan”. They can however, also catch and eat food, like zooplankton, for energy. 

Species Facts

  • Commonly found in mangrove ecosystems.
  • Grow up to 25cm in diameter.
  • Hosts photosynthetic algae.