Paragraph 2
No
means the eels became very
. They could get stressed when people visit
. It is difficult for staff to check on the eels'
because they are staying in their
. The aquarium tweeted: "They aren't seeing
so they are forgetting about
....Could you show your
to our garden eels from your home?" The staff want eels to know that "humans are friendly". The
has a three-day "face-showing
".