Sea
stars
species of the Posidonia sea-grass
ecosystem
Echinaster
sepositus - 14 cm in length
Korbous- eastern area of Tunis bay
from 5 to 30 m deep
detail of the madreporit
Asterina
gibbosa - 18 mm in length - Kerkena islands from
1 to 20 m deep.
Photos: J. ZAOUALI
