Article published in The Conversation explains new discoveries on the unusual feeding strategies of mucous-mesh grazers:
https://theconversation.com/meet-the-ocean-creatures-that-use-a-mesh-of-mucus-to-catch-their-food-95749
Mucous-mesh grazers (pelagic tunicates and thecosome pteropods) are common in oceanic waters and efficiently capture, consume and repackage particles many orders of magnitude smaller than themselves. They feed using an adhesive mucous mesh to capture prey particles from ambient seawater. Historically, their grazing process has been characterized as non-selective, depending...