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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. 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 …

  4. What Is a Fish Ladder and How Do They Work? - Biology Insights

    Aug 19, 2025 · A fish ladder, also known as a fishway, is a specialized structure designed to help aquatic animals, primarily fish, bypass obstacles in rivers. These structures are typically built …

  5. 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.

  6. 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 …

  7. 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 …

  8. What are fish ladders? | MapQuest Travel

    Jan 18, 2025 · ­That's where fish ladders come in (you may also hear them referred to as fish passages or fishways). Fish ladders provide a detour route for migrating fish so that they can …

  9. 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 …

  10. Fish Ladders Explained: Key Features and Their Role in Conservation

    Mar 24, 2025 · What is a Fish Ladder? A fish ladder, also known as a fishway or fish pass, is an engineered structure that helps fish travel upstream or downstream around obstacles like …