The aquarium, the property of the corporation, contains an excellent marine collection, but is also used as a concert hall and winter garden, and a garden is laid out on its roof.
Of the business centre, at the foot of Diamond Head, is Waikiki sea-beach, noted for its surf-riding, boating and bathing, and Kapiolani Park, a pleasure resort, near which is a famous aquarium of tropical fishes.
Falkenstein's gorilla, exhibited at the Westminster aquarium under the name of pongo, and afterwards at the Berlin aquarium, survived for eighteen months.
A small stickleback kept in an aquarium devoured, in five hours' time, 74 newly-hatched dace, which were about a quarter of an inch long.
Soon after their arrival at the Jardin d'Acclimatation, some of the axolotls spawned, but the eggs, not having been removed from the aquarium, were devoured by its occupants.
An oyster in this condition was kept in an aquarium by itself for a fortnight, and after that period its genital organs were found to contain multitudes of spermatozoa in all stages of development.
It contains a station of the Berlin Aquarium, with a fine collection of the fauna of the Adriatic Sea.
In connexion with the gardens there are an aquarium (1882), a library, and an ethnographical and natural history museum.
The famous zoological station at Naples, whose aquarium is the principal building in the Villa Communale, is not connected with the university.
The aquarium was originally established at Naples because the flora and fauna of the neighbourhood are more varied than those of any district in Europe.
The difficulty of rearing the larvae in an aquarium towards the close of the metamorphosis may account for the slight information available concerning the stages that immediately follow the embryonic. Another difficulty is due to the fact that the types studied, and especially the crinoid Antedon, are highly specialized, so that some of the embryonic features are not really primitive as regards the class, but only as regards each particular genus.
The principal buildings of entertainment are the aquarium (also used as a concert hall); the museum, a rotunda in Doric style, containing excellent antiquarian and natural history collections; two theatres, and the assembly rooms attaching to the Spa House.