PORT PHILLIP BAY


Jellyfish 

Aequorea

View scientific description and taxonomy

Scientific Details

Bell (body) of jellyfish lens-shaped, being much thicker in the middle than at the edges. There are numerous simple radial canals around the outside of the bell, with gonads extending along them (seen as whitish thickenings, only obvious in larger specimens). There is a large stomach in the centre, ringed by the radial canals. Subumbrella without rows of papillae. Numerous hollow, fine marginal tentacles. Usually colourless and transparent. Up to 175 cm wide. There are several species of Aequorea around Australia, however, the species are dubious and difficult to differentiate.

Taxonomy

Phylum:
Cnidaria
Class:
Hydrozoa
Subclass:
Leptothecatae
Order:
Conica
Family:
Aequoreidae
Genus:
Aequorea

General Description

Bell (body) lens-shaped, much thicker in the middle than at the edges. Numerous simple radial canals around the outside of the bell, with gonads extending along them. Large stomach in the centre, ringed by the radial canals. Numerous fine marginal tentacles. Usually colourless and transparent. Up to 1.8 m wide.

Biology

These jellyfish produce a fluorescent protein that has been used by many scientists in biomedical research. There are several species around Australia, however, they are difficult to differentiate.

Habitat

Open water, near surface to depth of 2000 m.

Open water

Distribution guide

Worldwide.

Species Group

Jellyfishes and allies Jellyfishes

Depth

Shore (0-1 m)
Shallow (1-30 m)
Deep ( > 30 m)

Water Column

Surface Midwater

Max Size

1.5 m

Diet

Carnivore

Harmful

Not known to be dangerous to humans.

Commercial Species

No

Global Dispersal

Recorded in Australia

Identify

Conservation Status

  • DSE Advisory List : Not listed
  • EPBC Act 1999 : Not listed
  • IUCN Red List : Not listed

Author

article author Browne, J.

Jo Browne is a consultant with expertise in ctenophore and cnidarian taxonomy.

citation

Cite this page as:
Browne, J., 2011, Jellyfish, Aequorea , in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 18 Aug 2017, http://portphillipmarinelife.net.au:8098/species/5678

Text: creative commons cc by licence