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| ichthyology | |
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| anguilliformes | |
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An eel ladder typically consists of four parts: an ''eel ascending ramp'', a ''supporting structure'', a ''water-feeding system'', and a ''side gutter''. The side gutter provides an attraction flow to draw eels toward the ladder, the water-feeding system ensures the proper flow of water to the gutter and the ramp, and the supporting structure mounts the ladder to the barrier. The eel ascending ramp can be a fairly simple constructions, such as a hollowed out tree filled with Recycled Fishing Net , or a more complex structure designed to accommodate specific species or ages of eels. For example, the Canadian company Milieu Inc. manufactures eel ascending ramps made of moulded ABS with undulating side walls and staggered studs throughout the length of the ramp. These studs form the substrate the eels push against during the climb over the barrier. SEE ALSO EXTERNAL LINKS
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