Upon first descending the stairs to the main aquarium level there is another very stunning display containing a school of Bangaii Cardinal fish, with several other species including an Achilles tang (pictured left) and a large Emperor Angel.
The incredible centerpiece to the aquarium display is called the shark lagoon and was opened in December of 2000.
Cousteau Aquarium, Monaco, the aquarium is situated on a cliff in the Monaco-Ville district of Monaco, not far from the Royal Palace.
Constructed of white limestone and marble the museum itself appears to have erupted out of the surrounding cliffs and almost appears to be a natural part of the rocky Mediterranean coastline, like much of Monaco.There are also artifacts from Prince Albert Is expeditions to the poles including a mounted polar bear, and a display of mounted penguins and puffins.There are four viewing areas to this display, the upper reef (a stunning welcome to the aquarium exhibit the open ocean main view, the open ocean sheltered view and the lower reef view.The Cousteau Aquarium in Monaco (Musee Oceanographique) features interesting exhibits and an assortment of fish and marine life from the Mediterranean Sea.Fame) the museum was designed with an association of art and science for the time and is ordained throughout with beautiful works of art that depict marine creatures and symbolical figures of the marine world.

Hours are listed as: Oct-Mar:.m.-.m.
In short this is a must visit if you ever have the opportunity, and the rest of Monaco aint bad neither.
Phone (377) Fax (377).
Visitors can enjoy commanding views over the Mediterranean Sea from the Musee Oceanographique.
The display has four viewing areas and is actually composed of 2 separate aquariums (separate with respect to livestock).The upper floors (ground floor and 1st floor) are dedicated to the museum, lecture hall, gift shop and exhibit hall.A mock up of the original laboratories used by Prince Albert I is displayed cadeau cours de cuisine smartbox here as well as some of the laboratory equipment and some of the earliest manned submarine vehicles.The museum on the 1st floor has hundreds of preserved specimens, reassembled skeletons of a variety of cetaceans including a baleen whale.All of the aquariums in the Monaco aquarium display lush coral growth and beautiful specimens from throughout the world.

(note: I was there in April and they opened at 9:30.m.).
The Aquarium itself occupies the lower levels and has a primary focus on tropical and temperate marine species, but also houses some freshwater species.