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Small Green Seastar, Patriella exigua

Form:

Photo of a Small Green SeastarThe Small Green Seastar is a small pentagonal seastar with five short arms just protruding beyond the skirt. Its dorsal plates are not well defined, and it has short spines over its surface.

Colour:

Dark green to bluish dorsally with a light colour ventrally.

Phylum:

Echinodermata

Author:

Lamarck, 1816

Family:

Asterinidae

Size:

25-30 mm

Distribution:

Distribution map of a Small Green SeastarThe Small Green Seastar ranges from northern New South Wales, around southern Australia to Port Lincoln, South Australia, including Tasmania.

Habitat:

Occurs up to mid and high tide levels, in the open and under rocks in areas of constant wave splash, and in rock pools. Often found where there is the brown algae Neptune's Necklace, Hormosera banksii.


References:

Bennett, I. & Dakin W.J. ,(1987) Australian Seashores: W.J. Dakin's classic study. p. 346, Angus & Robertson, North Ryde

Marine Research Group of Victoria (1984) Coastal Invertebrates of Victoria, p.135, Museum of Victoria

Davey, K. (1998) A Photographic Guide to Seashore Life of Australia. p. 129, New Holland Press, Frenchs Forest.

Shepherd, S.A. & Thomas, I.M. (1989) Marine Invertebrates of Southern Australia. part I: p.413, South Australian Government Printer.

Echinoderms
Seastars
& Brittlestars

Small Green Seastar
Eight-armed Seastar
Eleven-armed Seastar
Schayer's Brittlestar


Home Page
Taxonomy
Biogeography
Rocky Shores
Tidal Levels
Intertidal Zonation
Environmental Factors
Biological Factors
Feeding Relationships
Activities

Glossary
References

 

photo of Keith DaveyLife on Australian Seashores
by Keith Davey (C) 2000

Learning Consultant - Media
The University of Newcastle

email at australian_seashores@hotmail.com

Scientific Consultant: Phil Colman
site created 01.01.98 : updated 01.04.2000