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The Atlantic salmon (Salmo salar) is a species of ray-finned fish in the family Salmonidae. It is found in the northern Atlantic Oceannteils im Atlantischen Ozean

Salmon run up stream through the ladder at the Ballard locks.

Small lake form of European perch. Place fishing stated in geotagging file

Beautiful, exotic fish gourami on a background of blue water in the aquarium

Fish swim in the turquoise water of the sea.

Fishermen carrying fish nets on artistic Mudflats beach in Xiapu, Fujian Province, China.

Sultan fish or Leptobarbus hoevenii, cyprinid fish that are native to freshwater habitats in Southeast Asia.

Landscape photo of the freshwater lagoon in the New England High country of NSW known as Dangar’s Lagoon. A bird sanctuary, now filled with water and wildflowers after devastating drought the year before.

Powder blue tang, Acanthurus leucosternon, is a surgeonfish found in the tropical waters of the Indian Ocean

$The Moor Frog has been found in all provinces. Concentrations are present on inland sandy and peaty soils. The moor frog is listed on the Red List as not threatened. It is strictly protected under Dutch legislation, the Bern Convention and the Habitats Directive. The Range of the moor frog decreased by almost 30% since 1950, by loss of habitat due to cultivation of Heath lands and Raised Bogs, combined with intensification of Agriculture (source RAVON).\nThis is a quite small Frog, with pointed Snout. The Male are Bluish during mating time in Spring. The species lives especially in Fen and Marsh Habitats. The spreading is Middle-, East- and North Europe. \n\nThis Frog is most to be seen In Fen and Marsh Habitats in the Netherlands and is far more scarce than the Common Frog (Rana temporaria).$

Amphilophus Labiatus red devil and Astronotus ocellatus

Toxotes chatareus, sometimes known by the common names common archerfish in aquarium tank

Crocodile fish in Everglades National Park - Florida (USA)

Nice and curious gregorio fish captured in close-up

Close Up of tuna head at fishmarket, Blue background

Dusky Grouper (Epinephelus marginatus) swimming over a reef off the coast of Madeira island in the Atlantic Ocean

Indian tilapia fish, Oreochromis species, Satara, Maharashtra, India

Sheer instinct drive the salmon to their breeding grounds. Nothing will stop the urge to move forward. This Salmon has made it this far with brute strength and determination. A moment in flight is captured as this salmon has made it over the rapid waters. Many such as this will make the quest to Valdez, Alaska, completing the circle of life. Loop

Piranha pygocentrus nattereri, Genoa Aquarium, Liguria, Italy, Europe

Its name derives from the alligator-like appearance of these teeth along with the fish's elongated snout.The prehistoric relatives of this megafish inhabited many parts of the world, but today gars live only in North and Central America.

Marshland with marsh vegetation, mud flats, shallow pools, creeks and sheltered, shallow water on Marker Wadden island, Netherlands

Puffer fish is very delicious and popular meal in China. The puffer fish n captivity is without poison and safe to be human food. When the staff of a restaurant held a puffer fish, with its belly full of air and in a round shape, it was very cute.

Photo taken by a boat passing through the rainforest.

Pumpkinseed sunfish swimming underwater in the St. Lawrence River

The small fish in the dirty water pond of city park. It can enjoyed by watching it by sit near by pond

Free Images: "bestof:The Santa Ana sucker is a threatened fish species.jpg Check categories 2013 October 12 en <br/> Image title The Santa Ana sucker is a threatened fish species"

Santa ana national wildlife refuge sign planted among cacti.jpg

Valley elderberry longhorn beetle threatend insect species.jpg

Wildflowers and purple loosestrife an invasive species.jpg

Striped newt salamander rare species notophthalmus perstriatus.jpg

Santa Cruz long toed salamander ambystoma macrodactylum croceum.jpg

Relict trillium competing with invasive species nepal grass.jpg

The rough popcornflower plagiobothrys hirtus an endangered plant species.jpg

Unarmored threespine stickleback endagered species gasterosteus aculeatus williamsoni.jpg

Talks with visitors about the species of bird living in the tree.jpg

Riparian brush rabbits endengered mammal species sylvilagus bachmani riparius.jpg

Phragmites invasive grass species in backyard.jpg

Electrofishing for the asian carp invasive species.jpg

Children on education outreach endangered species fair.jpg

Man stands next to an invasive species salt cedar.jpg

Man standing at edge of wetland area being taken over by invasive species.jpg

Kemp ridley sea turtle endangered species washes up on the beach.jpg

Aquatic biologist releases a threatened goldline darter.jpg

Asian longhorn beetle invasive species.jpg

Asian longhorn beetle anoplophora glabripennis invasive species.jpg