The Adventure Aquarium, formerly the Thomas H. Kean New Jersey State Aquarium, is a for-profit educational entertainment attraction operated in Camden, New Jersey on the Delaware River Camden Waterfront by Herschend Family Entertainment. Originally opened in 1992, it re-opened in its current form on May 25, 2005 featuring about 8,000 animals liviā¦The Adventure Aquarium, formerly the Thomas H. Kean New Jersey State Aquarium, is a for-profit educational entertainment attraction operated in Camden, New Jersey on the Delaware River Camden Waterfront by Herschend Family Entertainment. Originally opened in 1992, it re-opened in its current form on May 25, 2005 featuring about 8,000 animals living in varied forms of semi-aquatic, freshwater, and marine habitats. The facility has a total tank volume of over 2 million US gallons, and public floor space of 200,000 square feet.