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The
of visitors means the eels have become very
. This could make them stressed when visitors start returning. The coronavirus
makes it difficult for
to check on the eels' health because they are staying in their
. The aquarium tweeted: "They aren't seeing
so they are forgetting about
....Here is an urgent request. Could you show your face to our
eels from your home?" The aquarium wants to remind the eels that "humans are friendly". There is a three-day
called a "face-showing festival". People can make video
to the eels.