Time-lapse videos show sponges “sneezing” mucus containing trapped debris out of their pores, and other organisms such as shrimp seem to feed on the snot
Sea sponges “sneeze” in slow motion to get rid of the sand and pollutants that they suck into their bodies, and the expelled mucus may be an important food source for other marine organisms.
Curious about what was happening, Kornder and his colleagues collected several stove-pipe sponges and another type calledoff the coast of Curaҫao and recorded them in their laboratory over a 24-hour period using microscopic time-lapse video. They also took video footage of another stove-pipe sponge still in the sea.Each video showed particle-filled mucus travelling out of the ostia, against the direction of incoming water.
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