Suckers - The echinoderms' hydraulic organ
Channel: amoceanorg
Date: 2012-10-10

Sea stars and other echinoderms are no suckers. But they have suckers - at least most of them do. To walk, to grab and transport food towards the mouth, to build burrows, and to hold on to a substratum. But how do those suckers work? Learn the basics of the echinoderms' water vascular system.