Is a 'fish ladder' the same as a 'fish elevator'?

No. A fish ladder is a series of ascending pools that fish swim through. A fish elevator (or fish lift) is a mechanical device that traps fish in a tank and physically transports them over a barrier.

Do all dams have fish ladders?

No. Their installation depends on local laws, the presence of migratory fish species, and the dam's age and purpose. Many older dams lack them.

Can any fish use a fish ladder?

Design effectiveness varies by species. They are typically built for strong swimmers like salmon and trout. They may not assist smaller or weaker fish.

What's the difference between 'fish ladder', 'fish pass', and 'fishway'?

'Fishway' and 'fish pass' are general terms for any structure facilitating fish passage. A 'fish ladder' is a specific type of fishway, often implying a stepped-pool design.

Is “fish ladder” formal?

Fish ladder is usually technical/environmental in register.

How do you pronounce “fish ladder”?

Fish ladder: in British English it is pronounced /ˈfɪʃ ˌlæd.ə/, and in American English it is pronounced /ˈfɪʃ ˌlæd.ɚ/. Tap the audio buttons above to hear it.

fish ladder: meaning, definition, pronunciation and examples

Low

UK/ˈfɪʃ ˌlæd.ə/US/ˈfɪʃ ˌlæd.ɚ/

Technical/Environmental

My Flashcards

Quick answer

What does “fish ladder” mean?

A structure, often consisting of a series of stepped pools or baffles, built on or around a dam or waterfall to enable fish to migrate upstream to their spawning grounds.

Audio

Pronunciation

Definition

Meaning and Definition

A structure, often consisting of a series of stepped pools or baffles, built on or around a dam or waterfall to enable fish to migrate upstream to their spawning grounds.

Any engineered or natural system designed to facilitate the passage of fish past an obstacle. Informally, can be used metaphorically for any staged process allowing upward progression.

Dialectal Variation

British vs American Usage

Differences

Both varieties use the term. 'Fish pass' or 'fishway' are also common, with 'fish ladder' being a specific, widely understood type.

Connotations

Neutral technical term in both. No significant connotative difference.

Frequency

Equally low-frequency in both dialects, confined to environmental, engineering, and conservation contexts.

Grammar

How to Use “fish ladder” in a Sentence

The [CONSTRUCTION] built a fish ladder at the [DAM].[FISH SPECIES] ascend the fish ladder to reach [SPAWNING GROUNDS].The [AUTHORITY] installed a fish ladder to mitigate the [IMPACT].

Vocabulary

Collocations

strong

build a fish ladderinstall a fish laddera series of fish ladderssalmon use the fish ladder

medium

effective fish ladderconcrete fish ladderfish ladder designmigrate via the fish ladder

weak

new fish ladderlarge fish ladderfish ladder projectobserve the fish ladder

Examples

Examples of “fish ladder” in a Sentence

verb

British English

The council agreed to fish-ladder the weir to protect the trout population.
They plan to fish-ladder the old mill dam next year.

American English

The agency required the utility to fish-ladder the hydroelectric dam.
The new legislation mandates fish-laddering major barriers.

adjective

British English

The fish-ladder project received funding from the environmental trust.
They conducted a fish-ladder feasibility study.

American English

The fish-ladder construction will begin in the spring.
We reviewed the fish-ladder efficacy data.

Usage

Meaning in Context

Business

Virtually never used, except in specific industries like environmental consulting or hydropower.

Academic

Used in ecology, environmental science, and civil engineering papers.

Everyday

Rare. Might be encountered in news reports about river conservation or local infrastructure projects.

Technical

Standard term in fisheries management, river engineering, and environmental impact assessments.

Vocabulary

Synonyms of “fish ladder”

Strong

fish passagemigration channel

Neutral

fish passfishway

Weak

fish stepsbypass channel

Vocabulary

Antonyms of “fish ladder”

barrier blockageimpassable dam

Watch out

Common Mistakes When Using “fish ladder”

Using as a plural without 's' on 'ladder' (e.g., 'The fishes climbed the fish ladder'). The head noun is 'ladder', so it's 'fish ladders'. Confusing it with a 'fish elevator' (a different type of passage).

FAQ

Frequently Asked Questions

: No. A fish ladder is a series of ascending pools that fish swim through. A fish elevator (or fish lift) is a mechanical device that traps fish in a tank and physically transports them over a barrier.
: No. Their installation depends on local laws, the presence of migratory fish species, and the dam's age and purpose. Many older dams lack them.
: Design effectiveness varies by species. They are typically built for strong swimmers like salmon and trout. They may not assist smaller or weaker fish.
: 'Fishway' and 'fish pass' are general terms for any structure facilitating fish passage. A 'fish ladder' is a specific type of fishway, often implying a stepped-pool design.
: A structure, often consisting of a series of stepped pools or baffles, built on or around a dam or waterfall to enable fish to migrate upstream to their spawning grounds.
: Fish ladder is usually technical/environmental in register.
: Fish ladder: in British English it is pronounced /ˈfɪʃ ˌlæd.ə/, and in American English it is pronounced /ˈfɪʃ ˌlæd.ɚ/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

“[Metaphorical] He saw the corporate training programme as a fish ladder to the executive suite.”

Learning

Memory Aids

Mnemonic

Imagine a salmon climbing a ladder, one rung (or pool) at a time, to get over a dam.

Conceptual Metaphor

OBSTACLES ARE BARRIERS TO MOVEMENT; SOLUTIONS ARE TOOLS (A ladder is a tool for climbing a barrier).

Practice

Quiz

Fill in the gap

To comply with environmental regulations, the power company had to a fish ladder around the turbine intake.

Multiple Choice

What is the primary purpose of a fish ladder?