| |
Astropecten
|
Sand
Star
Astropecton
Family Astropectinidae |
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). |
|
Introduction
Shore environment |
