fish ladder


: a series of pools arranged like steps by which fish can pass over a dam in going upstream

Examples of fish ladder in a Sentence

Recent Examples on the Web Rather than pay to retrofit their dams with fish ladders, the utility opted for removal. Christian Thorsberg, Smithsonian Magazine, 22 Jan. 2024 This includes not just salmon but also creatures like lampreys—primitive, jawless fish with toothy mouths that suction to their hosts. Solutions for migratory fish exist, like fish ladders or fishways, which provide a detour in the form of ascending pools. Alka Tripathy-Lang, Ars Technica, 11 Jan. 2024 The money pays for fish ladders around dams, habitat restoration projects, monitoring by scientists and other needs. Matthew Brown, Fortune, 3 Jan. 2024 Despite the inclusion of fish ladders within major dams, there are white sturgeon in rivers like the Columbia year-round these days. Joe Cermele, Field & Stream, 19 Oct. 2023 To reach the location where it was found, the shark would have had to swim all that distance upriver while passing through eight major dams—all of which have fish ladders that are constantly being monitored by fisheries technicians. Dac Collins, Outdoor Life, 16 Aug. 2023 Three separate channels on the river provide an option for everyone: the fish ladder has mellow waves for tubers and kids, the whitewater channel is suited for experienced paddlers with four distinct waves, and the habitat channel is for migratory wildlife and is closed to the rest of us. Megan Michelson, Outside Online, 17 July 2021 Citizen scientists sitting on top of the fish ladder. Guest, Discover Magazine, 11 Jan. 2019 Spring chinook salmon anglers are moving with the run into the Willamette River below the falls between Oregon City and West Linn as returning fish stage for their annual crossing through the fish ladder upriver into valley tributaries. oregonlive, 4 May 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fish ladder.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of fish ladder was in 1864

Dictionary Entries Near fish ladder

Cite this Entry

“Fish ladder.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2024.

Kids Definition

fish ladder

: an arrangement of pools by which fish can pass around a dam

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