eel ascending ramp

eel ascending ramp
part of an eel ladder, this ramp has structures against which the eels can push to ascend. The ramp may be simply a hollowed out tree filled with old fish nets or a commercial product made of plastic with an undulating surface and studs

Dictionary of ichthyology. 2009.

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  • Eel ladder — An eel ladder is type of fish ladder designed to help eels swim past barriers, such as dams and weirs or even natural barriers, to reach upriver feeding grounds. (Many eels are catadromous, living in fresh water but spawning at sea.) The basic… …   Wikipedia

  • eel ladder — a fish ladder designed to help eels over dams and weirs. A substrate is provided for the eels to push against when slithering upstream. A fish elevator may be part of the process at high dams. See also eel ascending ramp …   Dictionary of ichthyology

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