The Suncor Energy Fluvarium, also known as the Fluvarium, is a public centre for environmental education, located in St. John's, Newfoundland and Labrador, and is operated by the Quidi Vidi/Rennie's River Development Foundation.
The Fluvarium level, or "windows on a stream" area, features an underwater view of Nagle's Hill Brook through nine large viewing windows. Visitors can observe brown trout and salmon living in their natural habitat. The center also has a series of natural water aquariums and terrariums that showcase fish and amphibian species found throughout Newfoundland and Labrador.