YouTube description: Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet... continue reading

posted by Aard Vark (oritteropo) 6 years 5 months 3 weeks ago • 510 views • 4:23

YouTube description: Conceived in the open sea, tiny spaceship-shaped sea urchin larvae search the vast ocean to find a home. After this incredible odyssey, they undergo one of the most remarkable transformations... continue reading

posted by Aard Vark (oritteropo) 8 years 7 months 1 week ago • 658 views • 3:23