Sea sponges rely on a sneezing technique to clear their pores. The mucus flushes out debris — and provides a snack for other marine life.
Sea sponges spew slow-motion snot rockets to clear out their pores
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Sea sponges launch slow-motion snot rockets to clean their pores
Sponges sneeze mucus to shed particulate waste from their seawater inlet pores - ScienceDirect
Watch sea sponges sneeze out stringy mucus in slow motion