Bagh-e-Bahu Aquarium, a recent addition to the Bagh-e-Bahu Garden , jammu that surrounds the Bahu Fort, at over 220 metres in length, has been titled as the largest underground aquarium in the country. The fish shaped aquarium has 24 aquarium caves that further incorporate 13 small caves containing fresh-water fish apart from those with marine-water fish.

The aquarium is home to 400 different species of fish. Apart from looking at the fish, tourists can also explore the museum, the multimedia centre, the public gallery, and the laboratory promoting aquatic awareness, that have been established at this site.