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  1. Fish ladder - Wikipedia

    Fishways enable fish to pass around the water level difference around barriers by swimming and/or leaping up a series of relatively low stepped spillway (hence the term ladder), which is …

  2. What is a fish ladder? - NOAA's National Ocean Service

    Jun 16, 2024 · Indeed, these impediments to fish migration are often implicated in the decline of certain fish stocks. A fish ladder, also known as a fishway, provides a detour route for …

  3. How fish ladders work – and why some do not - calsport.org

    A fish ladder is a structure in a natural or artificial waterway that allows fish to pass to a destination, like the ocean or spawning grounds. The ladder can go up, down, or around an …

  4. What Is a Fish Ladder and How Does It Work? - ScienceInsights

    A fish ladder, also known as a fishway or fish pass, is a specialized hydraulic structure designed to provide migratory fish with a navigable detour around man-made or natural obstructions in a …

  5. How Do Fish Ladders Work? - Practical Engineering

    Apr 2, 2024 · You've probably seen a fish ladder before, but if you haven't, this one on the Oregon side of McNary Dam is just one of many designs. The way it works is simple in practice: adult …

  6. 7 Types of Fish Ladders or Fishways - The Constructor

    A fishway or fish ladder is a waterway constructed on or around a natural or artificial obstruction to provide a passageway for fish and other aquatic species.

  7. What Are Fish Ladders and How Do They Work? - Engineer Fix

    A fish ladder, also known as a fishway, is a specialized structure engineered into a waterway to help aquatic life bypass barriers such as dams, weirs, or waterfalls.

  8. The Swiss Fish Ladder: Bridging Ecosystems with Engineering

    Jan 25, 2025 · A fish ladder, or fishway, is a specially designed structure that allows fish to bypass obstacles such as dams and weirs. The Swiss fish ladder, featured here, is a prime example of …

  9. All About Fish Ladder | What Is Fish Ladder | Types of Fish Ladder ...

    Oct 13, 2025 · 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 to facilitate diadromous fishes’ natural …

  10. Design of Fish Passages & Ladders with HEC-RAS - CivilGEO

    The design, creation and maintenance of fish passages (or fishways), including fish ladders, are key to the protection and restoration of fish populations and their natural habitat.