PORT PHILLIP BAY


Box Jellyfish 

Carybdea rastoni Haacke, 1887

View scientific description and taxonomy

Scientific Details

Box-shaped transparent bell with rounded top. Outside surface of bell has warts carrying stinging cells. On each of the four bottom corners is a lobe bearing one tentacle (whitish, pink or purple). In middle of each bell face along the bottom edge is a small hollow containing a sensory organ with 4 eye pigment spots and a balance organ (statolith). Inside the bell is a tubular mouth hanging from the centre and lavender or pink gonads along each of the 4 side edges. Up to 4 cm high and 2.5-3 cm wide, with tentacles 10-15 cm long.

Taxonomy

Phylum:
Cnidaria
Class:
Cubozoa
Order:
Cubomedusae
Family:
Carybdeidae
Genus:
Carybdea
Species:
rastoni

General Description

Transparent body (bell), box shape with rounded top. Outside surface of bell has warts with stinging cells. On each of the lower four corners of the bell is one tentacle, coloured white, pink or purple. Bell up to 4 cm high, tentacles up to 15 cm long.

Biology

These small jellies swim close to the sea floor during the day and spread out closer to the surface at dawn, dusk and during the night.

Habitat

Coastal waters including bays and rivers, often close to beaches and seagrass, to depth of 20 m.

Open water

Reefs

Coastal shores

Distribution guide

Pacific Ocean, including southern Australia.

Species Group

Jellyfishes and allies Jellyfishes

Depth

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

Water Column

Surface

Max Size

4 cm

Diet

Carnivore

Harmful

Painful sting.

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, Box Jellyfish, Carybdea rastoni, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 18 Oct 2017, http://portphillipmarinelife.net.au:8098/species/5670

Text: creative commons cc by licence