Contents and search bar
Index of flora
Index of fauna
Kingdom Animale | Phylum Echinodermata | Class Asteroides
Photo by Tan Bee Hong
Sand Star
Family Astropectinidae
Photo by Tan Bee Hong
Showing tube feet
This animal is occasionally encountered on our shores, preferring areas w hich have a substrate of sand mixed with mud.
The white spot seen between the base of the arms is the madreporite, a structure associated with the water vascular system. (Diameter up to 7cm).

Normal Archaster
Sea Star
Archaster typicus
Family Archasteridae
This is the most common of all local sea stars, and prefers open waters with soft mud.

6-armed Archaster
They have remarkable powers of regeneration, and although this species is typically 5-armed (pentaradiate), four and six-armed individuals are frequently encountered. (Diameter, including arms, up to 10cm).
Shore environment
From A Guide to Seashore Life by Dr Leo W H Tan and Peter K L Ng
Published by the Singapore Science Centre and sponsored by BP

@Raffles Museum of Biodiversity Research and Singapore Science Centre