Definition of fish ladder
: a series of pools arranged like steps by which fish can pass over a dam in going upstream
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Recent Examples of fish ladder from the Web
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Small eels can use a fish ladder at the dams, while large eels are able to wriggle up and over.
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Other parts of this project included building better fish ladders and fish screens to give migrating salmon an easier time navigating around remaining obstacles.
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The dam was built without fish ladders more than 75 years ago, cutting off critical salmon runs.
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But supporters of the dams point to the benefits of hydropower and navigation provided by the dams, and say fish ladders and other methods of transporting salmon past the dams are helping restore the runs.
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.
First Known Use of fish ladder
1864
Learn More about fish ladder
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See words that rhyme with fish ladder Britannica.com: Encyclopedia article about fish ladder
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