fish ladder

English

Noun

fish ladder (plural fish ladders)

1. A structure built on or around dams or locks to facilitate the migration of fish.
   • 1941, Emily Carr, chapter 18, in Klee Wyck‎^[1]:

     We came to the base of an abnormally long perpendicular fish ladder, stretching up, up into shadow so overwhelmingly deep it seemed as if a pit had been inverted over our heads.

Synonyms

• fishway
• fish pass
• fish steps
• salmon ladder

Translations

structure to facilitate migration of fish

• Danish: fisketrappe c
• Dutch: vistrap (nl) m
• Finnish: kalaporras
• French: passe à poissons (fr) f
• German: Fischtreppe (de) f
• Manx: (for salmon) aarey vraddan f
• Norwegian: laksetrapp (no) m or f, fisketrapp m or f
• Swedish: fisktrappa (sv) c