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Atlantic Salmon Parr - Salmo salar (9082/19061)
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Atlantic Salmon Parr - Salmo salar (9082/19061)


Free Photos > Public Domain Images > Atlantic Salmon Parr - Salmo salar (9082/19061)

To view or save this photo in High resolution, just click the photo to see the full image(the full image is much higher quality and not pixelated).

Atlantic salmon spend the first two years of life in the fresh water habitats of their native stream (occasionally three, depending upon food availability). At two years of age, the fish undergo the process of smoltification, resulting in changes in certain cells of the gills and kidneys (allowing survival in either fresh or salt water), and brings about a silvery body color (better camouflage in the open ocean). Also during smoltification, salmon imprint upon the chemical "fingerprint" of their home river which allows them to recognize it upon their return from the sea. Once smoltification is complete, and water temperature increases to over 50o F, salmon smolts instinctively migrate downstream to the North Atlantic Ocean, and eventually to the cold waters off Greenland. Here they find food in the form of shrimp, herring and capelin, and two years later, at four, the survivors return to their home river to spawn. Unlike Pacific salmon, Atlantic salmon may repeat the spawning cycle several times. Green Lake National Fish Hatchery, Maine. Photo by US Fish and Wildlife Service.

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Free Photos > Public Domain Images > Atlantic Salmon Parr - Salmo salar (9082/19061)

To view or save this photo in High resolution, just click the photo to see the full image(the full image is much higher quality and not pixelated).

Atlantic salmon spend the first two years of life in the fresh water habitats of their native stream (occasionally three, depending upon food availability). At two years of age, the fish undergo the process of smoltification, resulting in changes in certain cells of the gills and kidneys (allowing survival in either fresh or salt water), and brings about a silvery body color (better camouflage in the open ocean). Also during smoltification, salmon imprint upon the chemical "fingerprint" of their home river which allows them to recognize it upon their return from the sea. Once smoltification is complete, and water temperature increases to over 50o F, salmon smolts instinctively migrate downstream to the North Atlantic Ocean, and eventually to the cold waters off Greenland. Here they find food in the form of shrimp, herring and capelin, and two years later, at four, the survivors return to their home river to spawn. Unlike Pacific salmon, Atlantic salmon may repeat the spawning cycle several times. Green Lake National Fish Hatchery, Maine. Photo by US Fish and Wildlife Service.

All free photos on this site are public domain. Please consider giving a credit hyperlink to https://www.goodfreephotos.com if you use the photos on this site using the attribution code in the below box. It is not required but it'd be much appreciated.

This photo is under the CC0 / Public Domain License.