PORT PHILLIP BAY


Seastar 

Meridiastra gunnii (Gray, 1840)

View scientific description and taxonomy

Scientific Details

See below for information.

Taxonomy

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

General Description

Arms typically 6, arm rays merge with disc, hexagonal. Colour uniform dark purplish crimson or reddish-brown or indigo blue, paler on the oral surface. Tube feet orange. Centre to arm tip up to 7 cm.

Biology

This species was renamed in 2003 and is similar to several other species in this genus, but is larger and has orange tube feet.

Habitat

Under-surface of rocks, in the lower intertidal zone, to depth of 36 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Seastars and allies Sea stars

Depth

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

Water Column

On or near sea floor

Max Size

14 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 gunnii, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 24 Sep 2017, http://portphillipmarinelife.net.au:8098/species/4699

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