Summary: Nature.com
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Fish cocoons
block biting bugs
The mucus cocoons in
which some fish sleep seem to
protect them from attacks by
parasitic invertebrates.
Alexandra Grutter at the
University of Queensland
in Brisbane, Australia, and
her colleagues placed coral-
reef parrotfish (Chlorurus
sordidus) in bins of water with
parasitic gnathiid isopods
overnight. They found that
only 10% of fish in cocoons

Source: Aizenberg, Joanna - School of Engineering and Applied Sciences, Harvard University

Collections: Materials Science