A total of 72 sea urchin juveniles with test diameters from 4.1 to 5.9 mm were divided into eight food treatment groupswith nine individuals (replicates) per group.
A total of 72 sea urchin juveniles withtest diameters from 4.1 to 5.9 mm were divided into eight food treatmentgroupswith nine individuals (replicates) per group.