NPS Photo FishAcadia National Park is home to 29 species of freshwater fish. These fish are found throughout Acadia’s numerous lakes, ponds and streams. Most of the bodies of water in the park are suitable for cold water species and therefore make them excellent places to see native shiners and brook trout throughout the year. There are some introduced species into some of the lakes more suitable for warm waters species such as smallmouth bass. In the last fifteen years, there has been concerted effort by Acadia National Park and surrounding park partners to re-establish healthy populations of Alewives (river herring) to the park’s watersheds. Alewife are an anadromous fish species. This means, just like the more familiar salmon, they breed and are born in freshwater but live the rest of their lives out in the ocean. Healthy populations are important not just for the wildlife that eat them, but this fish is also an important resource to people who are looking for bait fish for commercial fishing operations, including lobster fishing. Watch the Second Century Stewardship video on fish passage for more information on the challenges and successes that have occurred in Acadia National Park. NPSpecies ListsNPSpecies is a consolidated database where you can find the latest information on any species from any National Park Service unit. This resource lets you search for species information on specific parks and allows you to create your own itemized species lists. How Does it Work?Use the dropdown menus below to select the species category that you'd like to view. You can choose to get a checklist or to get the full list, which includes more information about each species. Once you make your selections, click on the view PDF button. This will generate your customized report. From here, you can click on the large Print button at the top of the document to print the report, or save the report by clicking on the blue-and-white floppy disk symbol to save the report. Select a Park:Select a Species Category (optional):
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Last updated: August 28, 2025