PORT PHILLIP BAY


Seastar 

Meridiastra occidens (O'Loughlin et al., 2003)

View scientific description and taxonomy

Scientific Details

See below for information.

Taxonomy

Phylum:
Echinodermata
Class:
Asteroidea
Order:
Valvatida
Family:
Asterinidae
Genus:
Meridiastra
Species:
occidens

General Description

Arms typically 6, arm rays merge with disc, hexagonal. Colour variable, uniform or mottled, frequently dark with grey or brown or blue and sometimes red, centre of disc frequently dark-coloured. Tube feet not orange. Centre to arm tip up to 4 cm.

Biology

This species is similar to other species in this genus but it is currently only known from western Victoria.

Habitat

Reef flat and amongst seagrass, to depth of 14 m.

Reefs

Seagrass meadows

Coastal shores

Distribution guide

Southern Australia, excluding Tasmania. In western Victoria.

Species Group

Seastars and allies Sea stars

Depth

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

Water Column

On or near sea floor

Max Size

8 cm

Diet

Carnivore

Commercial Species

No

Global Dispersal

Native to Australia

Identify

Conservation Status

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

Author

article author O'Loughlin, P. M.

Mark O'Loughlin is an Honorary Associate in marine invertebrates at Museum Victoria.

citation

Cite this page as:
O'Loughlin, P. M., 2011, Seastar, Meridiastra occidens, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 26 May 2017, http://portphillipmarinelife.net.au:8098/species/4841

Text: creative commons cc by licence