Tag: mucus

Parrotfish sleep in a mosquito net made of mucus

By Ed Yong | November 17, 2010 9:00 am

Parrotfish

It’s time for bed, and what better way to ensure a comfortable sleep than snuggling into a cocoon of your own mucus?

Humans could probably think of some alternatives, but for many coral reef fish, mucus sleeping bags are all part of a good night’s rest. Many species of parrotfish and wrasse belch out their own cocoons every night, covering themselves in under an hour. And Alexandra Grutter from the University of Queensland thinks she knows why – the mucus deters vampires.

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