This is a…
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• ball of lightning
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• fossil fruit
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• sea slug
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• wedding cake
The sea slug Notodoris minor is normally a vivid yellow
in color, but has here taken on some blue coloring from the
surrounding minerals. The blend of blue and yellow has given it
the fluorescent green shade of a highlighting pen. Notodoris
minor spends its life crawling along the sea floor, usually
in the vicinity of coral, looking for sea sponges to eat. Sea
sponges are very primitive animals that have no muscles or
nerves, so they can’t run from sea slugs and in a sense
they don’t mind being eaten. A sea slug eating a sea sponge
is one of the most leisurely scenes of predation in the sea.
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