Special Exhibition area, for venomous and poisonous sea creatures. The cylinder tank is for the morays in their various colour forms), the ones to the left and right were for swamp eels and panther grouper respectively.
Read a walk-through of the Aquarium here:
http://www.zoochat.com/247/review-shanghai-ocean-aquarium-december-2013-a-348216/
December 2013