- fishladder
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a series of steps with flowing water and pools enabling a fish to circumvent an obstruction such as a dam or waterfall by leaping from step to step. Also called fishway, fish pass
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
fishladder — fish ladder n. A series of pools arranged like ascending steps at the side of a stream, enabling migrating fish to swim upstream around a dam or other obstruction. * * * … Universalium