A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon, is a structure on or around artificial and natural barriers (such as dams...

The Pitlochry fish ladder is a fish ladder next to the Pitlochry Power Station, near Pitlochry, Perth and Kinross, Scotland, which allows salmon to travel...

Department of the Interior′s Fish and Wildlife Service (later the United States Fish and Wildlife Service), built a fish ladder in the gap as part of its...

traffic than any other lock in the U.S., and the locks, along with the fish ladder and the surrounding Carl S. English Jr. Botanical Gardens, attract more...

as an alternative to a physical fish ladder. The purpose of the project is to increase the survival of local fish that are otherwise vulnerable to predation...

stuck in the ladder, and more lanes were added so that more fish would be able to use the ladder. Originally, the dam did not have a fish ladder; it was added...

original fish ladder was in inadequate shape. In 2014 a new fish ladder was installed on the site of the old ladder to allow for easier fish passage....

migrate downstream. Alternatively, fish weirs can be used to channel fish to a particular location, such as to a fish ladder. Weirs were traditionally built...

as well as how deep the water is. Fish ladders, or fishways, are specially designed to help salmon and other fish to bypass dams and other man-made obstructions...

Department of Fish and Wildlife are working to improve fish passage on the creek and are studying the effectiveness of the dam's fish ladder. Abiqua Creek...

Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live...

to the Lower American River. In 1955, the Nimbus Hatchery, weir, and fish ladder became operational to mitigate the impacts the newly constructed Folsom...

9-mile-long North Fork Fish Ladder, one of the longest in the world. It also required a complex system to provide for downstream fish passage around the dam...

this fish adorns the front of every northbound Red Line train. An extensive habitat restoration and education project, combined with a fish ladder with...

control by the use of a dam;[citation needed] attached to the dam is a fish ladder. The town of Vassalboro maintains a boat launch for public access. The...

the construction of a fish ladder was started, in order to make it possible for the asp, an endangered and potamodromous fish, to pass the weirs and...

Fish measurement is the measuring of individual fish and various parts of their anatomies, for data used in many areas of ichthyology, including taxonomy...

Ballard Locks where salmon runs were funneled into the fish ladder. Due to the volume of fish the groups would consume, attempts at deterring or removing...

Fishery can mean either the enterprise of raising or harvesting fish and other aquatic life or, more commonly, the site where such enterprise takes place...

obstructs the passage of fish. Some fish such as lampreys, trout and salmon go upstream to spawn. Measures such as a fish ladder are often taken to counteract...

Shoaling and schooling In biology, any group of fish that stay together for social reasons are shoaling, and if the group is swimming in the same direction...

dam is known for its 310-metre salmon ladder; fish can be viewed swimming from weir to weir within the ladder, via an underwater viewing station or a...

migration paths. Even fish ladders do not prevent a reduction in fish reaching the spawning grounds upstream. In some areas, young fish ("smolt") are transported...

North Fork-Clearwater River for the steelhead, and it is too high for a fish ladder. Steelhead, chinook and coho salmon are spawned and reared at the facility...

Demersal fish, also known as groundfish, live and feed on or near the bottom of seas or lakes (the demersal zone). They occupy the sea floors and lake...

fisheries Kelp fisheries Lobster fisheries Shrimp fishery Eel ladder Fish ladder Fish screen Migration Salmon run Sardine run Shoaling and schooling...

NH744985. A fish ladder is parallel to the waterfall to allow for the migration of fish. The waterfall may be viewed from the bottom of the fish ladder or from...

dramatically reduced. Fish ladders have been installed at some dam sites to help the fish journey to spawning waters. Fish ladders have been seen as highly...

dam has the original, and ineffective, fish ladder. In the mid 1990s, construction started on a fish lift. The fish lift and dam were damaged by heavy rain...

in fish is a health concern for people who eat them, especially for women who are or may become pregnant, nursing mothers, and young children. Fish and...