fish ladder

noun

Definition of 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

But the group hopes to install a fish ladder at the site. John Laidler, BostonGlobe.com, "For dam on Hanover/Norwell line, the days are numbered," 4 July 2019 The fish ladder at Bonneville Dam, an hour east of Portland, Oregon, is the place to see these marathoners up close, and the greeters at the dam’s interpretive center understand the attraction. Corey Arnold, National Geographic, "Why wild salmon remains king in the Pacific Northwest," 27 Mar. 2019 The sea lions that discovered Bonneville quickly learned to go through the fish ladders. Sallie Tisdale, Harper's magazine, "Catechism of the Waters," 10 June 2019 While equipment such as fish ladders are designed to help salmon go up and over dams and enter upstream spawning areas, such measures aren't always effective. Christina Nunez, National Geographic, "Hydropower, explained," 13 May 2019 Permits from the federal and state government require installation of the fish ladder and eel passageway. Tyra Mcclung, courant.com, "Reconstruction of the Kensington Dam in Berlin will help fish and eels," 9 June 2019 Small eels can use a fish ladder at the dams, while large eels are able to wriggle up and over. Liz Bowie, baltimoresun.com, "Maryland begins program to replenish freshwater mussels," 17 May 2018 Other parts of this project included building better fish ladders and fish screens to give migrating salmon an easier time navigating around remaining obstacles. Washington Post, "California salmon will have places to chill with dam removal," 8 Mar. 2018 The dam was built without fish ladders more than 75 years ago, cutting off critical salmon runs. Becky Kramer, The Seattle Times, "Interior Secretary Zinke wants Spokane Tribe compensated for loss of land and lifestyle to Grand Coulee Dam," 24 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fish ladder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fish ladder

1864, in the meaning defined above

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Last Updated

12 Jul 2019

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The first known use of fish ladder was in 1864

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