See Sea Slugs Scour Seagrass by the Seashore | Deep Look

Eelgrass sea hares may look like lazy, zebra-striped spoonfuls of jello, but these sea slugs are actually environmental heroes. Their voracious appetite for algae helps keep underwater meadow ecosystems in balance–which is great news for sea otters. Deep Look Mollusk Playlist! SUBSCRIBE to Deep Look! DEEP LOOK is an ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small.