Browse the list of the most popular aquatic species living in Canadian waters. These species have been classified under eight categories: freshwater, finfish, groundfish, diadromous and pelagic species, invertebrates, marine mammals and molluscs. For each name listed, you will find a description of the species and its habitat.
For more information: Underwater World.
Some of the species listed are Species at Risk – The Species at Risk Act (SARA) protects many aquatic species, including fish, reptiles, marine mammals and molluscs. (Read the Act at the Species at risk Public Registry website.)
And some species are Invasive Species – An aquatic invader is a non-native species whose introduction will likely cause (or has already caused) damage to the host ecosystem, existing species therein, the economy or human well-being.
Aquatic Species of particular interest