There are five connected tunnel tanks here, this one is a coral reef one which was the best of the five (the others held the usual sharks and large fish). This is the basement level of the Aquarium, the last floor you pass through before leaving.
Read a walk-through of the Aquarium here:
http://www.zoochat.com/247/review-shanghai-ocean-aquarium-december-2013-a-348216/
December 2013
