 The first hall primarily contained freshwater species such as rudd and European eels, as well as some saltwater species involved in various conservation projects and captive-breeding programmes, such as broad sea fans, uarus and seahorses.The second hall displayed various species of coral reef fish from around the world, such as clownfish, copperband butterflyfish and regal tangs, as well as real coral.The third hall housed species native to the Amazon River, including red-bellied piranhas, angelfish, arapaimas and ocellate river stingrays.