PORT PHILLIP BAY


Seastar 

Meridiastra fissura O'Loughlin, 2002

View scientific description and taxonomy

Scientific Details

See below for information.

Taxonomy

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

General Description

Arms 6-8 frequently 7, arm rays merge with disc, appearance often asymmetrical. More than one madreporite. Body and arms red-orange to faun to cream to white with some irregular orange to red to dark red-brown spots. Centre to arm tip up to 1 cm.

Biology

This species has fissiparous and sexual reproduction methods.

Habitat

Under-surface of rocks and in algal mats, to depth of 30 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

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

2 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 fissura, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 19 Aug 2017, http://portphillipmarinelife.net.au:8098/species/4698

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